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CWE-120

4,417 CVEs • Abstraction: Base • Likelihood of Exploit: High

Buffer Copy without Checking Size of Input ('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, leading to a buffer overflow.

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CVEs (4,417)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Tenda
1Ac23 Firmware
Jun 17, 2026
Nov 2, 2025
7.4 HIGH· v4
9.8 CRITICAL· v3
9.0 HIGH· v2
A weakness has been identified in Tenda AC23 16.03.07.52. This impacts the function formSetVirtualSer of the file /goform/SetVirtualServerCfg. This manipulation of the argument list causes buffer overflow. It is possible...Show more
A weakness has been identified in Tenda AC23 16.03.07.52. This impacts the function formSetVirtualSer of the file /goform/SetVirtualServerCfg. This manipulation of the argument list causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks.Show less
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Jun 17, 2026
Oct 29, 2025
6.9 MEDIUM· v4
6.1 MEDIUM· v3
N/A· v2
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in ABB Terra AC wallbox.This issue affects Terra AC wallbox: through 1.8.33.
1Ibm
1Db2 High Performance Unload Load
Jun 17, 2026
Oct 28, 2025
N/A· v4
6.5 MEDIUM· v3
N/A· v2
IBM DB2 High Performance Unload 6.1.0.3, 5.1.0.1, 6.1.0.2, 6.5, 6.5.0.0 IF1, 6.1.0.1, 6.1, and 5.1 could allow an authenticated user to cause the program to crash due to a buffer being overwritten when it is allocated on...Show more
IBM DB2 High Performance Unload 6.1.0.3, 5.1.0.1, 6.1.0.2, 6.5, 6.5.0.0 IF1, 6.1.0.1, 6.1, and 5.1 could allow an authenticated user to cause the program to crash due to a buffer being overwritten when it is allocated on the stack.Show less
1Tenda
1Ch22 Firmware
Jun 17, 2026
Oct 27, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A flaw has been found in Tenda CH22 1.0.0.1. Affected by this issue is the function fromNatStaticSetting of the file /goform/NatStaticSetting. Executing a manipulation of the argument page can lead to buffer overflow. It...Show more
A flaw has been found in Tenda CH22 1.0.0.1. Affected by this issue is the function fromNatStaticSetting of the file /goform/NatStaticSetting. Executing a manipulation of the argument page can lead to buffer overflow. It is possible to launch the attack remotely. The exploit has been published and may be used.Show less
1Tenda
1Ch22 Firmware
Jun 17, 2026
Oct 27, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A security vulnerability has been detected in Tenda CH22 1.0.0.1. Affected by this vulnerability is the function fromP2pListFilter of the file /goform/P2pListFilter. The manipulation of the argument page leads to buffer...Show more
A security vulnerability has been detected in Tenda CH22 1.0.0.1. Affected by this vulnerability is the function fromP2pListFilter of the file /goform/P2pListFilter. The manipulation of the argument page leads to buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used.Show less
1Tenda
1Ch22 Firmware
Jun 17, 2026
Oct 27, 2025
7.4 HIGH· v4
9.8 CRITICAL· v3
9.0 HIGH· v2
A weakness has been identified in Tenda CH22 1.0.0.1. Affected is the function fromwebExcptypemanFilter of the file /goform/webExcptypemanFilter. Executing a manipulation of the argument page can lead to buffer overflow....Show more
A weakness has been identified in Tenda CH22 1.0.0.1. Affected is the function fromwebExcptypemanFilter of the file /goform/webExcptypemanFilter. Executing a manipulation of the argument page can lead to buffer overflow. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.Show less
1Tenda
1Ch22 Firmware
Jun 17, 2026
Oct 27, 2025
7.4 HIGH· v4
9.8 CRITICAL· v3
9.0 HIGH· v2
A security flaw has been discovered in Tenda CH22 1.0.0.1. This impacts the function fromAddressNat of the file /goform/addressNat. Performing a manipulation of the argument page results in buffer overflow. The attack ma...Show more
A security flaw has been discovered in Tenda CH22 1.0.0.1. This impacts the function fromAddressNat of the file /goform/addressNat. Performing a manipulation of the argument page results in buffer overflow. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks.Show less
1Tenda
1Ch22 Firmware
Jun 17, 2026
Oct 27, 2025
7.4 HIGH· v4
9.8 CRITICAL· v3
9.0 HIGH· v2
A vulnerability was identified in Tenda CH22 1.0.0.1. This affects the function fromRouteStatic of the file /goform/RouteStatic. Such manipulation of the argument page leads to buffer overflow. The attack can be launched...Show more
A vulnerability was identified in Tenda CH22 1.0.0.1. This affects the function fromRouteStatic of the file /goform/RouteStatic. Such manipulation of the argument page leads to buffer overflow. The attack can be launched remotely. The exploit is publicly available and might be used.Show less
1Tenda
1Ch22 Firmware
Jun 17, 2026
Oct 27, 2025
7.4 HIGH· v4
9.8 CRITICAL· v3
9.0 HIGH· v2
A weakness has been identified in Tenda CH22 1.0.0.1. Affected by this issue is the function fromVirtualSer of the file /goform/VirtualSer. This manipulation of the argument page causes buffer overflow. Remote exploitati...Show more
A weakness has been identified in Tenda CH22 1.0.0.1. Affected by this issue is the function fromVirtualSer of the file /goform/VirtualSer. This manipulation of the argument page causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks.Show less
1Totolink
1A3300r Firmware
Jun 17, 2026
Oct 27, 2025
7.4 HIGH· v4
9.8 CRITICAL· v3
9.0 HIGH· v2
A security vulnerability has been detected in TOTOLINK A3300R 17.0.0cu.557_B20221024. This affects the function setDmzCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ip leads to buffer overflow. It...Show more
A security vulnerability has been detected in TOTOLINK A3300R 17.0.0cu.557_B20221024. This affects the function setDmzCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ip leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.Show less
1Totolink
1A3300r Firmware
Jun 17, 2026
Oct 27, 2025
7.4 HIGH· v4
9.8 CRITICAL· v3
9.0 HIGH· v2
A weakness has been identified in TOTOLINK A3300R 17.0.0cu.557_B20221024. The impacted element is the function setDdnsCfg of the file /cgi-bin/cstecgi.cgi. Executing manipulation can lead to buffer overflow. The attack m...Show more
A weakness has been identified in TOTOLINK A3300R 17.0.0cu.557_B20221024. The impacted element is the function setDdnsCfg of the file /cgi-bin/cstecgi.cgi. Executing manipulation can lead to buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be exploited.Show less
1Tenda
1Ch22 Firmware
Jun 17, 2026
Oct 27, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was determined in Tenda CH22 1.0.0.1. This issue affects the function fromDhcpListClient of the file /goform/DhcpListClient. This manipulation of the argument page causes buffer overflow. Remote exploitat...Show more
A vulnerability was determined in Tenda CH22 1.0.0.1. This issue affects the function fromDhcpListClient of the file /goform/DhcpListClient. This manipulation of the argument page causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.Show less
1Tenda
1Ch22 Firmware
Jun 17, 2026
Oct 27, 2025
7.3 HIGH· v4
8.0 HIGH· v3
7.7 HIGH· v2
A vulnerability was found in Tenda CH22 1.0.0.1. This vulnerability affects the function fromSetIpBind of the file /goform/SetIpBind. The manipulation of the argument page results in buffer overflow. The attack must orig...Show more
A vulnerability was found in Tenda CH22 1.0.0.1. This vulnerability affects the function fromSetIpBind of the file /goform/SetIpBind. The manipulation of the argument page results in buffer overflow. The attack must originate from the local network. The exploit has been made public and could be used.Show less
1Tenda
1Ch22 Firmware
Jun 17, 2026
Oct 27, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability has been found in Tenda CH22 1.0.0.1. This affects the function fromSafeMacFilter of the file /goform/SafeMacFilter. The manipulation of the argument page leads to buffer overflow. The attack may be initi...Show more
A vulnerability has been found in Tenda CH22 1.0.0.1. This affects the function fromSafeMacFilter of the file /goform/SafeMacFilter. The manipulation of the argument page leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.Show less
1Tenda
1Ch22 Firmware
Jun 17, 2026
Oct 27, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A flaw has been found in Tenda CH22 1.0.0.1. Affected by this issue is the function fromSafeUrlFilter of the file /goform/SafeUrlFilter. Executing a manipulation of the argument page can lead to buffer overflow. The atta...Show more
A flaw has been found in Tenda CH22 1.0.0.1. Affected by this issue is the function fromSafeUrlFilter of the file /goform/SafeUrlFilter. Executing a manipulation of the argument page can lead to buffer overflow. The attack can be launched remotely. The exploit has been published and may be used.Show less
1Tenda
1Ch22 Firmware
Jun 17, 2026
Oct 27, 2025
7.4 HIGH· v4
9.8 CRITICAL· v3
9.0 HIGH· v2
A vulnerability was detected in Tenda CH22 1.0.0.1. Affected by this vulnerability is the function fromSafeClientFilter of the file /goform/SafeClientFilter. Performing a manipulation of the argument page results in buff...Show more
A vulnerability was detected in Tenda CH22 1.0.0.1. Affected by this vulnerability is the function fromSafeClientFilter of the file /goform/SafeClientFilter. Performing a manipulation of the argument page results in buffer overflow. The attack can be initiated remotely. The exploit is now public and may be used.Show less
1Dlink
1Dir 600l Firmware
Jun 17, 2026
Oct 24, 2025
N/A· v4
9.8 CRITICAL· v3
N/A· v2
D-Link DIR600L Ax FW116WWb01 was discovered to contain a buffer overflow via the curTime parameter in the function formSetEnableWizard.
1Dlink
1Dir 600l Firmware
Jun 17, 2026
Oct 24, 2025
N/A· v4
9.8 CRITICAL· v3
N/A· v2
D-Link DIR600L Ax FW116WWb01 was discovered to contain a buffer overflow via the curTime parameter in the function formSetWAN_Wizard52.
1Dlink
1Dir 600l Firmware
Jun 17, 2026
Oct 24, 2025
N/A· v4
9.8 CRITICAL· v3
N/A· v2
D-Link DIR600L Ax FW116WWb01 was discovered to contain a buffer overflow via the curTime parameter in the function formLanSetupRouterSettings.
1Tenda
1Ac6 Firmware
Jun 17, 2026
Oct 22, 2025
N/A· v4
7.5 HIGH· v3
N/A· v2
Multiple buffer overflows in the AdvSetMacMtuWan function of Tenda AC6 v.15.03.06.50 allows attackers to cause a Denial of Service (DoS) via injecting a crafted payload into the wanMTU, wanSpeed, cloneType, mac, serviceN...Show more
Multiple buffer overflows in the AdvSetMacMtuWan function of Tenda AC6 v.15.03.06.50 allows attackers to cause a Denial of Service (DoS) via injecting a crafted payload into the wanMTU, wanSpeed, cloneType, mac, serviceName, serverName, wanMTU2, wanSpeed2, cloneType2, mac2, serviceName2, and serverName2 parameters.Show less