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
4,148 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-121page 5 of 83
- CVE-2026-33789CRITICALCVSS 9.8EG 9.82026-10-14
A Stack-based Buffer Overflow vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated BGP peer to cause a denial of service and potential root-level command execution v…
- CVE-2026-102182CRITICALCVSS 9.8EG 9.82026-10-14
A Stack-based Buffer Overflow vulnerability in the kmd component of Juniper Networks Junos OS on MX Series allows an unauthenticated network attacker to execute code as root via specific IKE certificate-based packets. This issue requires …
- CVE-2026-102178CRITICALCVSS 9.8EG 9.82026-10-14
A Stack-based Buffer Overflow vulnerability in the BGP routing daemon of Juniper Networks Junos OS and Junos OS Evolved allows a configured BGP flowspec peer to cause routing-engine compromise or a routing-daemon denial of service via flow…
- CVE-2026-101990CRITICALCVSS 9.8EG 9.82026-10-14
A Stack-based Buffer Overflow vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a remote configured BGP peer to cause an rpd crash, or on Junos OS remote code-execution, via sending…
- CVE-2026-88156CRITICALCVSS 9.8EG 9.82026-10-13
Stack-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.
- CVE-2026-70024CRITICALCVSS 9.8EG 9.82026-10-13
Stack-based buffer overflow in Windows Internet Information Services allows an unauthorized attacker to execute code over a network.
- CVE-2026-85806CRITICALCVSS 9.8EG 9.82026-10-13
Integer underflow (wrap or wraparound) in Network Policy Server (NPS) allows an unauthorized attacker to execute code over a network.
- CVE-2026-66086CRITICALCVSS 9.8EG 9.82026-10-12
In the modem OTA stack, there is a possible stack-based buffer overflow due to improper validation of scheduling information in SIB1 messages. This could lead to remote code execution or denial of service with no additional execution privi…
- CVE-2026-84035CRITICALCVSS 9.8EG 9.82026-10-08
IBM Guardium Data Protection 12.0, 12.1, and 12.2 could allow a remote attacker to execute arbitrary code due to a stack-based buffer overflow.
- CVE-2026-87684CRITICALCVSS 9.8EG 9.82026-10-08
A stack-based buffer overflow vulnerability exists in the SNMP daemon request handling of Brocade Fabric versions before 10.0.1. When processing an incoming SNMPv3 packet, an internal statistics gathering handler copies user-supplied conte…
- CVE-2026-76501CRITICALCVSS 9.8EG 9.82026-10-07
A vulnerability in the Segment Routing over IPv6 (SRv6) Operation, Administration, and Maintenance (OAM) feature of Cisco NX-OS Software, known as NGOAM, could allow an unauthenticated, remote attacker to execute arbitrary code with root p…
- CVE-2026-76486CRITICALCVSS 9.8EG 9.82026-10-07
A vulnerability in the VXLAN Operation, Administration, and Maintenance (OAM) feature of Cisco NX-OS Software, known as NGOAM, could allow an unauthenticated, remote attacker to execute arbitrary code with root privileges or cause a Denial…
- CVE-2026-76485CRITICALCVSS 9.8EG 9.82026-10-07
A vulnerability in the VXLAN Operation, Administration, and Maintenance (OAM) feature of Cisco NX-OS Software, known as NGOAM, could allow an unauthenticated, remote attacker to execute arbitrary code with root privileges or cause a Denial…
- CVE-2026-12627CRITICALCVSS 9.8EG 9.82026-10-01
Fortra's Core Privileged Access Manager (BoKS) contains a stack-based buffer overflow vulnerability in boks_autoregisterd. A remote attacker with network access to the autoregistration service may be able to trigger memory corruption durin…
- CVE-2026-94952CRITICALCVSS 9.8EG 9.82026-09-29
A stack-based buffer overflow vulnerability exists in the web management interface of TOTOLINK N150RT (NTR150) firmware V3.4.0-B20201030. It is reachable through the route /boafrm/formPortFw (port-forwarding configuration handler) and is t…
- CVE-2026-101074CRITICALCVSS 9.8EG 9.82026-09-28
A weakness has been identified in Netcore NR289-GE 1.4.5102. The affected element is the function password-check of the file /bin/boa of the component Authentication. Executing a manipulation of the argument Username can lead to stack-base…
- CVE-2026-90823CRITICALCVSS 9.8EG 9.82026-09-17
FatPipe MPVPN, WARP, and IPVPN appliances running the end-of-life firmware version 10.1.2r60p100 contain a stack-based buffer overflow in /usr/sbin/auth_user_pass. An unauthenticated remote attacker with access to the affected management i…
- CVE-2026-91843CRITICALCVSS 9.8EG 9.82026-09-16
A stack overflow during the unauthenticated login process may allow an attacker to run arbitrary code remotely with root privileges.
- CVE-2026-90558CRITICALCVSS 9.8EG 9.82026-09-12
sngrep through 1.8.4 contains stack buffer overflow vulnerabilities in SIP attribute formatting routines when header values exceed the 255-byte buffer limit. Attackers can craft malicious SIP packets with oversized Call-ID, X-Call-ID, or o…
- CVE-2026-69910CRITICALCVSS 9.8EG 9.82026-09-08
Stack-based buffer overflow in Windows Hyper-V allows an unauthorized attacker to execute code over a network.
- CVE-2026-72982CRITICALCVSS 9.8EG 9.82026-09-08
Stack-based buffer overflow in Windows Netlogon allows an unauthorized attacker to execute code over a network.
- CVE-2026-85509CRITICALCVSS 9.8EG 9.82026-09-04
FreeIPMI before 1.6.19 has a stack-based buffer overflow in _read_fru_data in libfreeipmi/fru/ipmi-fru.c when a BMC returns more bytes than requested.
- CVE-2026-85508CRITICALCVSS 9.8EG 9.82026-09-04
ipmi-oem in FreeIPMI before 1.6.19 has a stack-based buffer overflow in _output_dell_system_info_cmc_ipv6_info in ipmi-oem/ipmi-oem-dell.c (cmc-ipv6-info subcommand to dell get-system-info).
- CVE-2026-85507CRITICALCVSS 9.8EG 9.82026-09-04
ipmi-oem in FreeIPMI before 1.6.19 has a stack-based buffer overflow in _output_dell_system_info_cmc_info in ipmi-oem/ipmi-oem-dell.c (cmc-info subcommand to dell get-system-info).
- CVE-2026-85506CRITICALCVSS 9.8EG 9.82026-09-04
ipmi-oem in FreeIPMI before 1.6.19 has a stack-based buffer overflow in _get_dell_system_info_idrac_info in ipmi-oem/ipmi-oem-dell.c (idrac-info subcommand to dell get-system-info).
- CVE-2026-85504CRITICALCVSS 9.8EG 9.82026-09-04
FreeIPMI before 1.6.19 has a stack-based buffer overflow in _ipmi_sel_oem_fujitsu_get_sel_entry_long_text in libfreeipmi/sel/ipmi-sel-string-fujitsu-irmc-common.c via malformed Fujitsu SEL long-text responses.
- CVE-2026-78012CRITICALCVSS 9.8EG 9.82026-09-01
An issue in the NetStaX EtherNet/IP Stack prior to v5.6.1 could allow a large Class 3 explicit-message request to exceed the application-side receive buffer without generating an error or warning. The result could be memory corruption, a d…
- CVE-2026-76071CRITICALCVSS 9.8EG 9.82026-08-24
Netis NC63 firmware through V3.0.0.3327 contains a stack-based buffer overflow vulnerability that allows unauthenticated remote attackers to overwrite saved stack state by supplying an oversized destHost parameter to the ipFilterList=mod a…
- CVE-2026-76070CRITICALCVSS 9.8EG 9.82026-08-24
Netis NC63 firmware through V3.0.0.3327 contains a stack-based buffer overflow vulnerability that allows unauthenticated remote attackers to overwrite saved stack state by submitting an oversized Base64-encoded password to the login handle…
- CVE-2026-17138CRITICALCVSS 9.8EG 9.82026-08-20
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to execute arbitrary code due to a stack-based buffer overflow.
- CVE-2026-43798CRITICALCVSS 9.8EG 9.82026-08-20
A single crafted SSH message gives an unauthenticated network attacker an out-of-bounds stack write of attacker-controlled length and content against any application built on swift-nio-ssh. This vulnerability is addressed in swift-nio-ssh …
- CVE-2026-16885CRITICALCVSS 9.8EG 9.82026-08-19
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to execute arbitrary code due to a stack buffer overflow.
- CVE-2026-16872CRITICALCVSS 9.8EG 9.82026-08-19
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to execute arbitrary code due to a stack-based buffer overflow.
- CVE-2026-58082CRITICALCVSS 9.8EG 9.82026-08-19
The ISO-2022 encoding module used a stack buffer sized to MB_LEN_MAX (6 bytes) for intermediate character output. Some ISO-2022 variants can require up to 10 bytes per character, in which case conversions can trigger a stack buffer overfl…
- CVE-2026-67967CRITICALCVSS 9.8EG 9.82026-08-17
Buffer Overflow vulnerability in Tenda W20E V16.01.0.6(2782) allows an attacker to execute arbitrary code. This is an incomplete fix for CVE-2025-44867 and CVE-2026-36819
- CVE-2026-10534CRITICALCVSS 9.8EG 9.82026-08-12
IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is vulnerable to buffer overflow in the IXF IMPORT parser.
- CVE-2026-62878CRITICALCVSS 9.8EG 9.82026-08-11
Stack-based buffer overflow in Windows DNS allows an unauthorized attacker to execute code over a network.
- CVE-2026-68159CRITICALCVSS 9.8EG 9.82026-08-10
In the Linux kernel, the following vulnerability has been resolved: libceph: bound pg_{temp,upmap,upmap_items} length to CEPH_PG_MAX_SIZE __decode_pg_temp() decodes an user-controlled length but only rejects values large enough to overfl…
- CVE-2026-71267CRITICALCVSS 9.8EG 9.82026-08-05
microtar's mtar_write_file_header and mtar_write_dir_header functions (src/microtar.c) copy a caller-supplied entry name into the 100-byte field of a stack-allocated mtar_header_t via strcpy(h.name, name), with no check that strlen(name) i…
- CVE-2026-61486CRITICALCVSS 9.8EG 9.82026-08-05
** UNSUPPORTED WHEN ASSIGNED ** Stack-based Buffer Overflow vulnerability in Apache Lucy. This issue affects Apache Lucy: all versions. As this project is retired, we do not plan to release a version that fixes this issue. Users are …
- CVE-2026-45538CRITICALCVSS 9.8EG 9.82026-08-04
OpenSIPS is a Session Initiation Protocol (SIP) server implementation. In versions 4.0.0 and prior, processing a SIP message with a header name longer than 255 bytes causes a stack buffer overflow when sip_to_json() is called in the routin…
- CVE-2026-49435CRITICALCVSS 9.8EG 9.82026-08-04
Keysight IxChariot Endpoint and associated products contain a stack-based buffer overflow. An unauthenticated remote attacker can send a specially crafted packet and execute arbitrary code with administrative privileges.
- CVE-2017-20242CRITICALCVSS 9.8EG 9.82026-08-04
Keysight IxChariot Endpoint before 9.5.102 contains a stack-based buffer overflow. An unauthenticated remote attacker can send a specially crafted packet to crash the endpoint or potentially execute arbitrary code.
- CVE-2026-18589CRITICALCVSS 9.8EG 9.82026-08-03
A vulnerability was found in Wavlink WL-NU516U1 708c073-mt7628. This impacts the function change_password of the file nas.cgi. The manipulation of the argument User1Passwd results in stack-based buffer overflow. The attack can be executed …
- CVE-2026-18588CRITICALCVSS 9.8EG 9.82026-08-03
A vulnerability has been found in Wavlink WL-NU516U1 708c073-mt7628. This affects the function fgets of the file nas.cgi. The manipulation of the argument CONTENT_LENGTH leads to stack-based buffer overflow. Remote exploitation of the atta…
- CVE-2026-67822CRITICALCVSS 9.8EG 9.82026-07-31
Tenda W6-S 1.0.0.4(510) contains a stack-based buffer overflow vulnerability in the /goform/wifiSSIDset endpoint. The function formwrlSSIDset uses sprintf to copy user-controlled 'GO' and 'index' parameters into a 64-byte stack buffer with…
- CVE-2026-58179CRITICALCVSS 9.8EG 9.82026-07-29
The Apache Traffic Server regex_remap plugin overflows the stack and integers from substitution input. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users …
- CVE-2026-59144CRITICALCVSS 9.8EG 9.82026-07-21
Data::RingBuffer::Shared versions before 0.04 for Perl allow a stack buffer overflow via an unvalidated elem_size in ring_read_seq. The attach-time validator ring_validate_header checks the capacity-overflow and total_size consistency of …
- CVE-2024-51311CRITICALCVSS 9.8EG 9.82026-07-20
The Tenda TX9 V22.03.02.05 firmware has a stack overflow vulnerability in the sub_4418CC function of the file /goform/SetNetControlList.
- CVE-2024-51312CRITICALCVSS 9.8EG 9.82026-07-20
The Tenda TX9 V22.03.02.20 firmware has a stack overflow vulnerability in the sub_42EEE0 function of the file /goform/SetStaticRouteCfg.
Map vulnerabilities like CWE-121 to your infrastructure
EchelonGraph correlates every CVE — across CWE-121 and 150+ other weakness categories — against the assets you actually run. See blast radius, fix versions, and remediation steps in one graph.
Book a Demo →