CWE-120— Buffer Copy without Checking Size (Classic Buffer Overflow)
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.— MITRE CWE catalog
4,448 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-120page 83 of 89
- CVE-2026-13582HIGHCVSS 8.8EG 8.82026-06-29
A flaw has been found in Edimax EW-7478APC 1.04. This issue affects the function formUSBAccount of the file /goform/formUSBAccount of the component POST Request Handler. This manipulation of the argument UserName/Password causes buffer ove…
- CVE-2026-13583HIGHCVSS 8.8EG 8.82026-06-29
A vulnerability has been found in Edimax EW-7478APC 1.04. Impacted is the function formUSBFolder of the file /goform/formUSBFolder of the component POST Request Handler. Such manipulation of the argument ShareName/SelectName leads to buffe…
- CVE-2026-1420HIGHCVSS 9.8EG 8.82026-01-26
A flaw has been found in Tenda AC23 16.03.07.52. This impacts an unknown function of the file /goform/WifiExtraSet. This manipulation of the argument wpapsk_crypto causes buffer overflow. Remote exploitation of the attack is possible. The …
- CVE-2026-15483HIGHCVSS 8.8EG 8.82026-07-12
A security vulnerability has been detected in TRENDnet TEW-821DAP 1.12B01. Impacted is the function sub_41EC14 of the file /goform/tools_nslookup of the component ssi. The manipulation of the argument nslookup_target leads to buffer overfl…
- CVE-2026-15484HIGHCVSS 8.8EG 8.82026-07-12
A vulnerability was detected in TRENDnet TEW-821DAP 1.12B01. The affected element is the function sub_41EC14 of the file /goform/tools_nslookup of the component ssi. The manipulation results in buffer overflow. It is possible to launch the…
- CVE-2026-15543HIGHCVSS 8.8EG 8.82026-07-13
A vulnerability was found in Tenda CH22 1.0.0.1. This impacts the function formCertListInfo of the file /goform/CertListInfo. The manipulation of the argument Name results in buffer overflow. The attack can be launched remotely. The exploi…
- CVE-2026-16364CRITICALCVSS 9.1EG 9.12026-07-21
Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
- CVE-2026-1679HIGHCVSS 7.8EG 7.82026-03-28
The eswifi socket offload driver copies user-provided payloads into a fixed buffer without checking available space; oversized sends overflow `eswifi->buf`, corrupting kernel memory (CWE-120). Exploit requires local code that can call the …
- CVE-2026-1686HIGHCVSS 8.8EG 8.82026-01-30
A security flaw has been discovered in Totolink A3600R 5.9c.4959. This issue affects the function setAppEasyWizardConfig in the library /lib/cste_modules/app.so. Performing a manipulation of the argument apcliSsid results in buffer overflo…
- CVE-2026-2005HIGHCVSS 8.8EG 8.82026-02-12
Heap buffer overflow in PostgreSQL pgcrypto allows a ciphertext provider to execute arbitrary code as the operating system user running the database. Versions before PostgreSQL 18.2, 17.8, 16.12, 15.16, and 14.21 are affected.
- CVE-2026-2007HIGHCVSS 8.2EG 8.22026-02-12
Heap buffer overflow in PostgreSQL pg_trgm allows a database user to achieve unknown impacts via a crafted input string. The attacker has limited control over the byte patterns to be written, but we have not ruled out the viability of att…
- CVE-2026-20100HIGHCVSS 7.7EG 7.72026-03-04
A vulnerability in the LUA interperter of the Remote Access SSL VPN feature of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Secure Firewall Threat Defense (FTD) Software could allow an authenticated, remote attacker…
- CVE-2026-20213HIGHCVSS 7.5EG 7.52026-07-01
A vulnerability in the PE file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition, or possibly other expanded impacts, resulting from memory corruption on an affected device. This vulnerabil…
- CVE-2026-20214HIGHCVSS 7.5EG 7.52026-07-01
A vulnerability in the FSG file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition, or possibly other expanded impacts, resulting from memory corruption on an affected device. This vulnerabi…
- CVE-2026-20215HIGHCVSS 7.5EG 7.52026-07-01
A vulnerability in the 7z file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition, or possibly other expanded impacts, resulting from memory corruption on an affected device. This vulnerabil…
- CVE-2026-20217HIGHCVSS 7.5EG 7.52026-07-01
A vulnerability in the PESpin file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition, or possibly other expanded impacts, resulting from memory corruption on an affected device. This vulner…
- CVE-2026-20243HIGHCVSS 7.5EG 7.52026-07-01
A vulnerability in the ALZ file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition, or possibly other expanded impacts, resulting from memory corruption on an affected device. This vulnerabi…
- CVE-2026-20244HIGHCVSS 7.5EG 7.52026-07-01
A vulnerability in the DMG file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition, or possibly other expanded impacts, resulting from memory corruption on an affected device. This vulnerabi…
- CVE-2026-2034HIGHCVSS 7.8EG 7.82026-02-20
Sante DICOM Viewer Pro DCM File Parsing Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Sante DICOM Viewer Pro. User interaction is requ…
- CVE-2026-20436MEDIUMCVSS 6.7EG 6.72026-03-02
In wlan STA driver, there is a possible escalation of privilege due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed …
- CVE-2026-20449MEDIUMCVSS 6.5EG 6.52026-05-04
In Modem, there is a possible system crash due to a heap buffer overflow. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed…
- CVE-2026-20608MEDIUMCVSS 5.5EG 5.52026-02-11
This issue was addressed through improved state management. This issue is fixed in Safari 26.3, iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, visionOS 26.3. Processing maliciously crafted web content may lead to…
- CVE-2026-20635MEDIUMCVSS 4.3EG 4.32026-02-11
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.3, iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. Processing maliciously crafted web…
- CVE-2026-20636MEDIUMCVSS 6.5EG 6.52026-02-11
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.3, iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, visionOS 26.3. Processing maliciously crafted web content may lead to an unexpected process crash.
- CVE-2026-20644MEDIUMCVSS 6.5EG 6.52026-02-11
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.3, iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, visionOS 26.3. Processing maliciously crafted web content may lead to an u…
- CVE-2026-20652HIGHCVSS 7.5EG 7.52026-02-11
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.3, iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, visionOS 26.3. A remote attacker may be able to cause a denial-of-service.
- CVE-2026-2066HIGHCVSS 8.8EG 8.82026-02-06
A weakness has been identified in UTT 进取 520W 1.7.7-180627. This affects the function strcpy of the file /goform/formIpGroupConfig. Executing a manipulation of the argument groupName can lead to buffer overflow. The attack can be launc…
- CVE-2026-20664MEDIUMCVSS 4.3EG 4.32026-03-25
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.4, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4. Processing maliciously crafted web content may lead to an unexpected process crash.
- CVE-2026-2067HIGHCVSS 8.8EG 8.82026-02-06
A security vulnerability has been detected in UTT 进取 520W 1.7.7-180627. This vulnerability affects the function strcpy of the file /goform/formTimeGroupConfig. The manipulation of the argument year1 leads to buffer overflow. The attack…
- CVE-2026-2068HIGHCVSS 8.8EG 8.82026-02-06
A vulnerability was detected in UTT 进取 520W 1.7.7-180627. This issue affects the function strcpy of the file /goform/formSyslogConf. The manipulation of the argument ServerIp results in buffer overflow. The attack may be launched remot…
- CVE-2026-2070HIGHCVSS 8.8EG 8.82026-02-06
A vulnerability has been found in UTT 进取 520W 1.7.7-180627. The affected element is the function strcpy of the file /goform/formPolicyRouteConf. Such manipulation of the argument GroupName leads to buffer overflow. The attack can be ex…
- CVE-2026-2071HIGHCVSS 8.8EG 8.82026-02-07
A vulnerability was found in UTT 进取 520W 1.7.7-180627. The impacted element is the function strcpy of the file /goform/formP2PLimitConfig. Performing a manipulation of the argument except results in buffer overflow. The attack is possi…
- CVE-2026-20782MEDIUMCVSS 6.6EG 6.62026-05-12
Buffer overflow for some Intel(R) QAT software drivers for Windows before version 1.13 within Ring 3: User Applications may allow a denial of service. Unprivileged software adversary with an authenticated user combined with a low complexit…
- CVE-2026-20794CRITICALCVSS 9.3EG 9.32026-05-12
Buffer overflow for the Intel(R) Data Center Graphics Driver for VMware ESXi software before version 2.0.2 within Ring 1: Device Drivers may allow an escalation of privilege. System software adversary with a privileged user combined with a…
- CVE-2026-2086HIGHCVSS 8.8EG 8.82026-02-07
A vulnerability was detected in UTT HiPER 810G up to 1.7.7-171114. Affected by this vulnerability is the function strcpy of the file /goform/formFireWall of the component Management Interface. The manipulation of the argument GroupName res…
- CVE-2026-20889CRITICALCVSS 9.8EG 9.82026-04-07
A heap-based buffer overflow vulnerability exists in the x3f_thumb_loader functionality of LibRaw Commit d20315b. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger th…
- CVE-2026-20911CRITICALCVSS 9.8EG 9.82026-04-07
A heap-based buffer overflow vulnerability exists in the HuffTable::initval functionality of LibRaw Commit 0b56545 and Commit d20315b. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicio…
- CVE-2026-2137HIGHCVSS 8.8EG 8.82026-02-08
A vulnerability has been found in Tenda TX3 up to 16.03.13.11_multi. This impacts an unknown function of the file /goform/SetIpMacBind. The manipulation of the argument list leads to buffer overflow. The attack can be initiated remotely. T…
- CVE-2026-2138HIGHCVSS 8.8EG 8.82026-02-08
A vulnerability was found in Tenda TX9 up to 22.03.02.10_multi. Affected is the function sub_42D03C of the file /goform/SetStaticRouteCfg. The manipulation of the argument list results in buffer overflow. The attack can be launched remotel…
- CVE-2026-21382HIGHCVSS 7.8EG 7.82026-04-06
Memory Corruption when handling power management requests with improperly sized input/output buffers.
- CVE-2026-2139HIGHCVSS 8.8EG 8.82026-02-08
A vulnerability was determined in Tenda TX9 up to 22.03.02.10_multi. Affected by this vulnerability is the function sub_432580 of the file /goform/fast_setting_wifi_set. This manipulation of the argument ssid causes buffer overflow. The at…
- CVE-2026-2140HIGHCVSS 8.8EG 8.82026-02-08
A vulnerability was identified in Tenda TX9 up to 22.03.02.10_multi. Affected by this issue is the function sub_4223E0 of the file /goform/setMacFilterCfg. Such manipulation of the argument deviceList leads to buffer overflow. The attack m…
- CVE-2026-2202HIGHCVSS 8.8EG 8.82026-02-09
A vulnerability was detected in Tenda AC8 16.03.33.05. Affected is the function fromSetWifiGusetBasic of the file /goform/WifiGuestSet of the component httpd. The manipulation of the argument shareSpeed results in buffer overflow. The atta…
- CVE-2026-2203HIGHCVSS 8.8EG 8.82026-02-09
A flaw has been found in Tenda AC8 16.03.33.05. Affected by this vulnerability is an unknown functionality of the file /goform/fast_setting_wifi_set of the component Embedded Httpd Service. This manipulation of the argument timeZone causes…
- CVE-2026-22184CRITICALCVSS 7.8EG 9.82026-01-07
zlib versions up to and including 1.3.1.2 include a global buffer overflow in the untgz utility located under contrib/untgz. The vulnerability is limited to the standalone demonstration utility and does not affect the core zlib compression…
- CVE-2026-22627HIGHCVSS 8.8EG 8.82026-03-10
A buffer copy without checking size of input ('classic buffer overflow') vulnerability in Fortinet FortiSwitchAXFixed 1.0.0 through 1.0.1 may allow an unauthenticated attacker within the same adjacent network to execute unauthorized code o…
- CVE-2026-22861HIGHCVSS 8.8EG 8.82026-01-13
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of International Color Consortium (ICC) color management profiles. Prior to 2.3.1.2, There is a heap-based buffer overflow in SIccCa…
- CVE-2026-24103CRITICALCVSS 9.8EG 9.82026-03-03
A buffer overflow vulnerability was discovered in goform/formSetMacFilterCfg in Tenda AC15V1.0 V15.03.05.18_multi.
- CVE-2026-24108CRITICALCVSS 9.8EG 9.82026-03-02
An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Attackers may exploit the vulnerability by controlling the value of `nptr`. When this value is passed into the `getMibPrefix` function and concatenated using `sprintf` without proper…
- CVE-2026-24109CRITICALCVSS 9.8EG 9.82026-03-02
An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Attackers may exploit the vulnerability by controlling the value of `picName`. When this value is used in `sprintf` without validating variable sizes, it could lead to a buffer overf…
Map vulnerabilities like CWE-120 to your infrastructure
EchelonGraph correlates every CVE — across CWE-120 and 150+ other weakness categories — against the assets you actually run. See blast radius, fix versions, and remediation steps in one graph.
Start Free Scan →