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CWE-120

4,202 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 (4,202)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Treasuredata
1Fluent Bit
Nov 28, 2025
Nov 24, 2025
N/A· v4
8.8 HIGH· v3
N/A· v2
The extract_name function in Fluent Bit in_docker input plugin copies container names into a fixed size stack buffer without validating length. An attacker who can create containers or control container names, can supply...Show more
The extract_name function in Fluent Bit in_docker input plugin copies container names into a fixed size stack buffer without validating length. An attacker who can create containers or control container names, can supply a long name that overflows the buffer, leading to process crash or arbitrary code execution.Show less
1Dlink
1Dwr M920 Firmware
Nov 26, 2025
Nov 23, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A weakness has been identified in D-Link DWR-M920 1.1.50. This affects the function sub_41C7FC of the file /boafrm/formPinManageSetup. This manipulation of the argument submit-url causes buffer overflow. It is possible t...Show more
A weakness has been identified in D-Link DWR-M920 1.1.50. This affects the function sub_41C7FC of the file /boafrm/formPinManageSetup. This manipulation of the argument submit-url causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be exploited.Show less
1Dlink
2Dir 822k Firmware
Dwr M920 Firmware
Dec 2, 2025
Nov 23, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A security flaw has been discovered in D-Link DIR-822K and DWR-M920 1.00_20250513164613/1.1.50. The impacted element is an unknown function of the file /boafrm/formWlEncrypt. The manipulation of the argument submit-url r...Show more
A security flaw has been discovered in D-Link DIR-822K and DWR-M920 1.00_20250513164613/1.1.50. The impacted element is an unknown function of the file /boafrm/formWlEncrypt. The manipulation of the argument submit-url results in buffer overflow. The attack may be performed from remote. The exploit has been released to the public and may be exploited.Show less
1Dlink
2Dir 822k Firmware
Dwr M920 Firmware
Dec 2, 2025
Nov 23, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was identified in D-Link DIR-822K and DWR-M920 1.00_20250513164613/1.1.50. The affected element is an unknown function of the file /boafrm/formWanConfigSetup. The manipulation of the argument submit-url l...Show more
A vulnerability was identified in D-Link DIR-822K and DWR-M920 1.00_20250513164613/1.1.50. The affected element is an unknown function of the file /boafrm/formWanConfigSetup. The manipulation of the argument submit-url leads to buffer overflow. The attack is possible to be carried out remotely. The exploit is publicly available and might be used.Show less
1Dlink
2Dir 822k Firmware
Dwr M920 Firmware
Dec 2, 2025
Nov 23, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was determined in D-Link DIR-822K and DWR-M920 1.00_20250513164613/1.1.50. Impacted is an unknown function of the file /boafrm/formVpnConfigSetup. Executing manipulation of the argument submit-url can lea...Show more
A vulnerability was determined in D-Link DIR-822K and DWR-M920 1.00_20250513164613/1.1.50. Impacted is an unknown function of the file /boafrm/formVpnConfigSetup. Executing manipulation of the argument submit-url can lead to buffer overflow. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized.Show less
1Dlink
1Dir 822k Firmware
Dec 2, 2025
Nov 23, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was found in D-Link DIR-822K 1.00. This issue affects the function sub_455524 of the file /boafrm/formNtp. Performing manipulation of the argument submit-url results in buffer overflow. Remote exploitatio...Show more
A vulnerability was found in D-Link DIR-822K 1.00. This issue affects the function sub_455524 of the file /boafrm/formNtp. Performing manipulation of the argument submit-url results in buffer overflow. Remote exploitation of the attack is possible. The exploit has been made public and could be used.Show less
1Dlink
2Dir 822k Firmware
Dwr M920 Firmware
Dec 2, 2025
Nov 23, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability has been found in D-Link DIR-822K and DWR-M920 1.00_20250513164613/1.1.50. This vulnerability affects unknown code of the file /boafrm/formFirewallAdv. Such manipulation of the argument submit-url leads t...Show more
A vulnerability has been found in D-Link DIR-822K and DWR-M920 1.00_20250513164613/1.1.50. This vulnerability affects unknown code of the file /boafrm/formFirewallAdv. Such manipulation of the argument submit-url leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.Show less
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Nov 25, 2025
Nov 21, 2025
8.7 HIGH· v4
N/A· v3
N/A· v2
PJSIP is a free and open source multimedia communication library. Prior to version 2.16, Opus PLC may zero-fill the input frame as long as the decoder ptime, while the input frame length, which is based on stream ptime,...Show more
PJSIP is a free and open source multimedia communication library. Prior to version 2.16, Opus PLC may zero-fill the input frame as long as the decoder ptime, while the input frame length, which is based on stream ptime, may be less than that. This issue affects PJSIP users who use the Opus audio codec in receiving direction. The vulnerability can lead to unexpected application termination due to a memory overwrite. This issue has been patched in version 2.16.Show less
1Tenda
1Ac21 Firmware
Nov 21, 2025
Nov 20, 2025
N/A· v4
4.3 MEDIUM· v3
N/A· v2
Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow via the deviceId parameter in /goform/saveParentControlInfo.
1Tenda
1Ch22 Firmware
Feb 24, 2026
Nov 19, 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 is the function formWrlExtraGet of the file /goform/WrlExtraGet. Performing a manipulation of the argument chkHz results in buffer overflow. Remote exploitatio...Show more
A vulnerability was detected in Tenda CH22 1.0.0.1. Affected is the function formWrlExtraGet of the file /goform/WrlExtraGet. Performing a manipulation of the argument chkHz results in buffer overflow. Remote exploitation of the attack is possible. The exploit is now public and may be used.Show less
1Fortinet
1Fortiextender Firmware
Jan 14, 2026
Nov 18, 2025
N/A· v4
7.8 HIGH· v3
N/A· v2
A buffer copy without checking size of input ('classic buffer overflow') vulnerability in Fortinet FortiExtender 7.6.0 through 7.6.1, FortiExtender 7.4.0 through 7.4.6, FortiExtender 7.2 all versions, FortiExtender 7.0 a...Show more
A buffer copy without checking size of input ('classic buffer overflow') vulnerability in Fortinet FortiExtender 7.6.0 through 7.6.1, FortiExtender 7.4.0 through 7.4.6, FortiExtender 7.2 all versions, FortiExtender 7.0 all versions may allow an authenticated user to execute arbitrary code or commands via crafted CLI commands.Show less
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-
Nov 18, 2025
Nov 17, 2025
N/A· v4
8.8 HIGH· v3
N/A· v2
A buffer overflow vulnerability exists in the CvManager functionality of Dell ControlVault3 prior to 5.15.14.19 and Dell ControlVault3 Plus prior to 6.2.36.47. A specially crafted ControlVault API call can lead to memory...Show more
A buffer overflow vulnerability exists in the CvManager functionality of Dell ControlVault3 prior to 5.15.14.19 and Dell ControlVault3 Plus prior to 6.2.36.47. A specially crafted ControlVault API call can lead to memory corruption. An attacker can issue an api call to trigger this vulnerability.Show less
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-
Nov 18, 2025
Nov 17, 2025
N/A· v4
8.8 HIGH· v3
N/A· v2
A buffer overflow vulnerability exists in the CvManager_SBI functionality of Dell ControlVault3 prior to 5.15.14.19 and Dell ControlVault3 Plus prior to 6.2.36.47. A specially crafted ControlVault API call can lead to a...Show more
A buffer overflow vulnerability exists in the CvManager_SBI functionality of Dell ControlVault3 prior to 5.15.14.19 and Dell ControlVault3 Plus prior to 6.2.36.47. A specially crafted ControlVault API call can lead to a arbitrary code execution. An attacker can issue an api call to trigger this vulnerability.Show less
1Dlink
5Dir 825m Firmware
Dwr M920 FirmwareDwr M921 Firmware+2 more
Dec 8, 2025
Nov 17, 2025
7.4 HIGH· v4
9.8 CRITICAL· v3
9.0 HIGH· v2
A weakness has been identified in D-Link DWR-M920, DWR-M921, DWR-M960, DIR-822K and DIR-825M 1.01.07. This issue affects some unknown processing of the file /boafrm/formTracerouteDiagnosticRun. Executing manipulation of...Show more
A weakness has been identified in D-Link DWR-M920, DWR-M921, DWR-M960, DIR-822K and DIR-825M 1.01.07. This issue affects some unknown processing of the file /boafrm/formTracerouteDiagnosticRun. Executing manipulation of the argument host can lead to buffer overflow. The attack may be launched remotely. The exploit has been made available to the public and could be exploited.Show less
1Dlink
5Dir 825m Firmware
Dwr M920 FirmwareDwr M921 Firmware+2 more
Dec 8, 2025
Nov 17, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A security flaw has been discovered in D-Link DWR-M920, DWR-M921, DWR-M960, DWR-M961 and DIR-825M 1.01.07/1.1.47. This vulnerability affects unknown code of the file /boafrm/formPingDiagnosticRun. Performing manipulation...Show more
A security flaw has been discovered in D-Link DWR-M920, DWR-M921, DWR-M960, DWR-M961 and DIR-825M 1.01.07/1.1.47. This vulnerability affects unknown code of the file /boafrm/formPingDiagnosticRun. Performing manipulation of the argument host results in buffer overflow. The attack may be initiated remotely. The exploit has been released to the public and may be exploited.Show less
1Tenda
1Ch22 Firmware
Nov 19, 2025
Nov 17, 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. This impacts the function fromPptpUserSetting of the file /goform/PPTPUserSetting. The manipulation of the argument delno leads to buffer overflow. The at...Show more
A security vulnerability has been detected in Tenda CH22 1.0.0.1. This impacts the function fromPptpUserSetting of the file /goform/PPTPUserSetting. The manipulation of the argument delno leads to buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used.Show less
1Tenda
1Ac20 Firmware
Nov 19, 2025
Nov 17, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was detected in Tenda AC20 up to 16.03.08.12. The impacted element is an unknown function of the file /goform/WifiExtraSet. The manipulation of the argument wpapsk_crypto results in buffer overflow. The a...Show more
A vulnerability was detected in Tenda AC20 up to 16.03.08.12. The impacted element is an unknown function of the file /goform/WifiExtraSet. The manipulation of the argument wpapsk_crypto results in buffer overflow. The attack can be launched remotely. The exploit is now public and may be used.Show less
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-
Nov 18, 2025
Nov 14, 2025
8.7 HIGH· v4
N/A· v3
N/A· v2
Netis ADSL Router DL4322D firmware RTK 2.1.1 contains a buffer overflow vulnerability in the embedded FTP service that allows an authenticated remote user to trigger a denial of service. After logging in to the FTP servi...Show more
Netis ADSL Router DL4322D firmware RTK 2.1.1 contains a buffer overflow vulnerability in the embedded FTP service that allows an authenticated remote user to trigger a denial of service. After logging in to the FTP service, sending an FTP command such as ABOR with an excessively long argument causes the service, and in practice the router, to crash or become unresponsive, resulting in a loss of availability for the device and connected users.Show less
1Free5gc
1Free5gc
Dec 31, 2025
Nov 12, 2025
N/A· v4
7.5 HIGH· v3
N/A· v2
free5gc v4.1.0 and before is vulnerable to Buffer Overflow. When AMF receives an UplinkRANConfigurationTransfer NGAP message from a gNB, the AMF process crashes.
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-
Nov 12, 2025
Nov 11, 2025
8.6 HIGH· v4
7.2 HIGH· v3
N/A· v2
A vulnerability has been identified in LOGO! 12/24RCE (6ED1052-1MD08-0BA2) (All versions), LOGO! 12/24RCEo (6ED1052-2MD08-0BA2) (All versions), LOGO! 230RCE (6ED1052-1FB08-0BA2) (All versions), LOGO! 230RCEo (6ED1052-2FB...Show more
A vulnerability has been identified in LOGO! 12/24RCE (6ED1052-1MD08-0BA2) (All versions), LOGO! 12/24RCEo (6ED1052-2MD08-0BA2) (All versions), LOGO! 230RCE (6ED1052-1FB08-0BA2) (All versions), LOGO! 230RCEo (6ED1052-2FB08-0BA2) (All versions), LOGO! 24CE (6ED1052-1CC08-0BA2) (All versions), LOGO! 24CEo (6ED1052-2CC08-0BA2) (All versions), LOGO! 24RCE (6ED1052-1HB08-0BA2) (All versions), LOGO! 24RCEo (6ED1052-2HB08-0BA2) (All versions), SIPLUS LOGO! 12/24RCE (6AG1052-1MD08-7BA2) (All versions), SIPLUS LOGO! 12/24RCEo (6AG1052-2MD08-7BA2) (All versions), SIPLUS LOGO! 230RCE (6AG1052-1FB08-7BA2) (All versions), SIPLUS LOGO! 230RCEo (6AG1052-2FB08-7BA2) (All versions), SIPLUS LOGO! 24CE (6AG1052-1CC08-7BA2) (All versions), SIPLUS LOGO! 24CEo (6AG1052-2CC08-7BA2) (All versions), SIPLUS LOGO! 24RCE (6AG1052-1HB08-7BA2) (All versions), SIPLUS LOGO! 24RCEo (6AG1052-2HB08-7BA2) (All versions). Affected devices do not properly validate the structure of TCP packets in several methods. This could allow an attacker to cause buffer overflows, get control over the instruction counter and run custom code.Show less