CWE-121— Stack-based Buffer Overflow
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).— MITRE CWE catalog
4,160 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-121page 18 of 84
- CVE-2011-10032CRITICALCVSS 9.3EG 9.32025-08-30
Sunway ForceControl version 6.1 SP3 and earlier contains a stack-based buffer overflow vulnerability in the SNMP NetDBServer service, which listens on TCP port 2001. The flaw is triggered when the service receives a specially crafted packe…
- CVE-2009-20009CRITICALCVSS 9.3EG 9.32025-08-30
Belkin Bulldog Plus version 4.0.2 build 1219 contains a stack-based buffer overflow vulnerability in its web service authentication handler. When a specially crafted HTTP request is sent with an oversized Authorization header, the applicat…
- CVE-2009-10006CRITICALCVSS 9.3EG 9.32025-08-22
UFO: Alien Invasion versions up to and including 2.2.1 contain a buffer overflow vulnerability in its built-in IRC client component. When the client connects to an IRC server and receives a crafted numeric reply (specifically a 001 message…
- CVE-2010-20122CRITICALCVSS 9.3EG 9.32025-08-21
Xftp FTP Client version up to and including 3.0 (build 0238) contain a stack-based buffer overflow vulnerability triggered by a maliciously crafted PWD response from an FTP server. When the client connects to a server and receives an overl…
- CVE-2010-20112CRITICALCVSS 9.3EG 9.32025-08-21
Amlib’s NetOpacs webquery.dll contains a stack-based buffer overflow vulnerability triggered by improper handling of HTTP GET parameters. Specifically, the application fails to enforce bounds on input supplied to the app parameter, allow…
- CVE-2010-20049CRITICALCVSS 9.3EG 9.32025-08-20
LeapFTP < 3.1.x contains a stack-based buffer overflow vulnerability in its FTP client parser. When the client receives a directory listing containing a filename longer than 528 bytes, the application fails to properly bound-check the inp…
- CVE-2011-10016CRITICALCVSS 9.3EG 9.32025-08-13
Real Networks Netzip Classic version 7.5.1.86 is vulnerable to a stack-based buffer overflow when parsing a specially crafted ZIP archive. The vulnerability is triggered when the application attempts to process a file name within the archi…
- CVE-2011-10015CRITICALCVSS 9.3EG 9.32025-08-13
Cytel Studio version 9.0 and earlier is vulnerable to a stack-based buffer overflow triggered by parsing a malformed .CY3 file. The vulnerability occurs when the application copies user-controlled strings into a fixed-size stack buffer (25…
- CVE-2012-10053CRITICALCVSS 9.3EG 9.32025-08-08
Simple Web Server 2.2 rc2 contains a stack-based buffer overflow vulnerability in its handling of the Connection HTTP header. When a remote attacker sends an overly long string in this header, the server uses vsprintf() without proper boun…
- CVE-2012-10043CRITICALCVSS 9.3EG 9.32025-08-08
A stack-based buffer overflow vulnerability exists in ActFax Server version 4.32, specifically in the "Import Users from File" functionality of the client interface. The application fails to properly validate the length of tab-delimited fi…
- CVE-2013-10064CRITICALCVSS 9.3EG 9.32025-08-05
A stack-based buffer overflow vulnerability exists in ActFax Server version 5.01. The server's RAW protocol interface fails to safely process user-supplied data in @F506 fax header fields due to insecure usage of strcpy. Remote attackers c…
- CVE-2025-34127CRITICALCVSS 9.3EG 9.32025-07-16
A stack-based buffer overflow exists in Achat v0.150 in its default configuration. By sending a specially crafted message to the UDP port 9256, an attacker can overwrite the structured exception handler (SEH) due to insufficient bounds che…
- CVE-2025-26382CRITICALCVSS 9.3EG 9.32025-04-24
Under certain circumstances the iSTAR Configuration Utility (ICU) tool could have a buffer overflow issue
- CVE-2024-25331CRITICALCVSS 9.3EG 9.32024-03-12
DIR-822 Rev. B Firmware v2.02KRB09 and DIR-822-CA Rev. B Firmware v2.03WWb01 suffer from a LAN-Side Unauthenticated Remote Code Execution (RCE) vulnerability elevated from HNAP Stack-Based Buffer Overflow.
- CVE-2023-31030CRITICALCVSS 9.3EG 9.32024-01-12
NVIDIA DGX A100 BMC contains a vulnerability in the host KVM daemon, where an unauthenticated attacker may cause a stack overflow by sending a specially crafted network packet. A successful exploit of this vulnerability may lead to arbitra…
- CVE-2023-31029CRITICALCVSS 9.3EG 9.32024-01-12
NVIDIA DGX A100 baseboard management controller (BMC) contains a vulnerability in the host KVM daemon, where an unauthenticated attacker may cause a stack overflow by sending a specially crafted network packet. A successful exploit of this…
- CVE-2026-93857CRITICALCVSS 9.2EG 9.22026-10-27
A stack-based buffer overflow vulnerability in Fireware OS's SIP proxy allows a remote, unauthenticated attacker to execute arbitrary code by sending a specially crafted request through a policy that uses the SIP proxy.
- CVE-2026-43838CRITICALCVSS 9.2EG 9.22026-10-20
A stack-based buffer overflow vulnerability in the login functionality could allow an attacker to achieve code execution.
- CVE-2026-61674CRITICALCVSS 9.2EG 9.22026-09-21
Fluent Bit is a fast and lightweight logs, metrics, and traces processor for Linux, BSD, macOS, and Windows. From 0.11.0 until 5.0.8, plugins/out_forward/forward.c secure_forward_pong copies the server-controlled PONG[2] reason into the 32…
- CVE-2026-0826CRITICALCVSS 9.2EG 9.22026-06-01
In certain scenarios when the admin has enabled Interactive Connectivity Establishment (ICE), a buffer overflow could enable remote code execution on Poly Voice products on the Linux platform.
- CVE-2017-20205CRITICALCVSS 9.2EG 9.22025-10-15
Valve's Source SDK (source-sdk-2013)'s ragdoll model parsing logic contains a stack-based buffer overflow vulnerability.The tokenizer function `nexttoken` copies characters from an input string into a fixed-size stack buffer without perfor…
- CVE-2025-40634CRITICALCVSS 9.2EG 9.22025-05-20
Stack-based buffer overflow vulnerability in the 'conn-indicator' binary running as root on the TP-Link Archer AX50 router, in firmware versions prior to 1.0.15 build 241203 rel61480. This vulnerability allows an attacker to execute arbitr…
- CVE-2026-85080CRITICALCVSS 9.1EG 9.12026-10-22
In EmberZNet 9.1.1 and earlier, a malformed GetGroupMembership message can result in an out-of-bounds write leading to a crash. A limited number of values can be written using this vulnerability, so no route to remote code execution was ob…
- CVE-2026-28763CRITICALCVSS 9.1EG 9.12026-10-20
A stack-based buffer overflow vulnerability exists in the boa formMapDelDevice hostname functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTTP request can lead to arbitrary code execution. …
- CVE-2026-41223CRITICALCVSS 9.1EG 9.12026-10-20
A stack-based buffer overflow vulnerability exists in the boa formMapDelDevice macstr functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTTP request can lead to arbitrary code execution. An…
- CVE-2026-41222CRITICALCVSS 9.1EG 9.12026-10-20
A stack-based buffer overflow vulnerability exists in the boa formParentControl url functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTTP request can lead to arbitrary code execution. An a…
- CVE-2026-40615CRITICALCVSS 9.1EG 9.12026-10-20
A stack-based buffer overflow vulnerability exists in the boa formParentControl deviceName functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTTP request can lead to arbitrary code executio…
- CVE-2026-42020CRITICALCVSS 9.1EG 9.12026-10-20
Multiple stack-based buffer overflow vulnerabilities exist in the boa formIpv6Setup pppoe functionality of Totolink X2000R TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327. A specially crafted HTTP request can lead to arbitrary code execution. An …
- CVE-2026-42019CRITICALCVSS 9.1EG 9.12026-10-20
Multiple stack-based buffer overflow vulnerabilities exist in the boa formIpv6Setup pppoe functionality of Totolink X2000R TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327. A specially crafted HTTP request can lead to arbitrary code execution. An …
- CVE-2026-42024CRITICALCVSS 9.1EG 9.12026-10-20
Multiple stack-based buffer overflow vulnerabilities exist in the boa formIpv6Setup static network configuration functionality of Totolink X2000R TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327. A specially crafted HTTP request can lead to arbitr…
- CVE-2026-42023CRITICALCVSS 9.1EG 9.12026-10-20
Multiple stack-based buffer overflow vulnerabilities exist in the boa formIpv6Setup static network configuration functionality of Totolink X2000R TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327. A specially crafted HTTP request can lead to arbitr…
- CVE-2026-42022CRITICALCVSS 9.1EG 9.12026-10-20
Multiple stack-based buffer overflow vulnerabilities exist in the boa formIpv6Setup static network configuration functionality of Totolink X2000R TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327. A specially crafted HTTP request can lead to arbitr…
- CVE-2026-42021CRITICALCVSS 9.1EG 9.12026-10-20
Multiple stack-based buffer overflow vulnerabilities exist in the boa formIpv6Setup static network configuration functionality of Totolink X2000R TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327. A specially crafted HTTP request can lead to arbitr…
- CVE-2026-42026CRITICALCVSS 9.1EG 9.12026-10-20
Multiple exploitable stack-based buffer overflow vulnerabilities exist in the boa formIpv6Setup dhcp_dns functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTTP request can lead to arbitrary…
- CVE-2026-42025CRITICALCVSS 9.1EG 9.12026-10-20
Multiple exploitable stack-based buffer overflow vulnerabilities exist in the boa formIpv6Setup dhcp_dns functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTTP request can lead to arbitrary…
- CVE-2026-9660CRITICALCVSS 9.1EG 9.12026-10-20
Multiple exploitable stack-based buffer overflow vulnerabilities exist in the boa formFilter functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTTP request can lead to arbitrary code execut…
- CVE-2026-9659CRITICALCVSS 9.1EG 9.12026-10-20
Multiple exploitable stack-based buffer overflow vulnerabilities exist in the boa formFilter functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTTP request can lead to arbitrary code execut…
- CVE-2026-9817CRITICALCVSS 9.1EG 9.12026-10-20
A stack-based buffer overflow vulnerability exists in the boa formUploadFile functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTTP request can lead to arbitrary code execution. An attacker…
- CVE-2026-9869CRITICALCVSS 9.1EG 9.12026-10-20
A stack-based buffer overflow vulnerability exists in the boa formTR069Config functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTTP request can lead to arbitrary code execution. An attacke…
- CVE-2026-10132CRITICALCVSS 9.1EG 9.12026-10-20
A stack-based buffer overflow vulnerability exists in the boa formIpQos mac functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTTP request can lead to arbitrary code execution. An attacker …
- CVE-2026-10133CRITICALCVSS 9.1EG 9.12026-10-20
A stack-based buffer overflow vulnerability exists in the batchupg functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTTP request can lead to arbitrary code execution. An attacker can make …
- CVE-2026-10137CRITICALCVSS 9.1EG 9.12026-10-20
A stack-based buffer overflow vulnerability exists in the boa formUpload() functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTTP request can lead to arbitrary code execution. An attacker c…
- CVE-2026-10139CRITICALCVSS 9.1EG 9.12026-10-20
A stack-based buffer overflow vulnerability exists in the Mcli functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTTP request can lead to arbitrary code execution. An attacker can make an a…
- CVE-2026-104611CRITICALCVSS 9.1EG 9.12026-10-02
A vulnerability was detected in Tenda AC9 15.03.02.13. Affected is an unknown function of the file /goform/fast_setting_internet_set of the component POST Request Handler. Performing a manipulation of the argument netWanType results in sta…
- CVE-2026-101081CRITICALCVSS 9.1EG 9.12026-09-28
A security flaw has been discovered in D-Link DI-8400 16.07. This vulnerability affects the function menu_nat_more_asp of the file menu_nat_more.asp of the component Web Administration Service. The manipulation of the argument opt results …
- CVE-2026-91003CRITICALCVSS 9.1EG 9.12026-09-15
A flaw has been found in D-Link DI-8300 16.07. The affected element is the function rzgl_asp of the file /rzgl.asp of the component CGI Service. This manipulation of the argument redirct_url causes stack-based buffer overflow. Remote explo…
- CVE-2026-57163CRITICALCVSS 9.1EG 9.12026-09-04
PJSIP is a free and open source multimedia communication library written in C. Prior to commit c4a151a, a stack buffer overflow exists in the GnuTLS TLS backend when parsing the Subject Alternative Name extension of a peer certificate (tls…
- CVE-2026-57162CRITICALCVSS 9.1EG 9.12026-09-04
PJSIP is a free and open source multimedia communication library written in C. Prior to commit a1b707c, a stack buffer overflow exists in the SRTP/SDES media transport when processing a=crypto attributes during SDP offer/answer (sdes_encod…
- CVE-2026-26241CRITICALCVSS 9.1EG 9.12026-06-10
A buffer overflow vulnerability has been reported to affect File Station 5. The remote attackers can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following version: Fil…
- CVE-2026-26240CRITICALCVSS 9.1EG 9.12026-06-10
A buffer overflow vulnerability has been reported to affect File Station 5. The remote attackers can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following version: Fil…
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