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CWE-120

4,226 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 (4,226)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
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Jun 17, 2026
Feb 11, 2025
N/A· v4
5.1 MEDIUM· v3
N/A· v2
Buffer overflow vulnerability in Digital China DCBC Gateway 200-2.1.1 due to the lack of length verification, which is related to the configuration of static NAT rules. Attackers who successfully exploit this vulnerabili...Show more
Buffer overflow vulnerability in Digital China DCBC Gateway 200-2.1.1 due to the lack of length verification, which is related to the configuration of static NAT rules. Attackers who successfully exploit this vulnerability can cause the remote target device to crash or execute arbitrary commands.Show less
1Wavlink
1Wl Wn575a3 Firmware
Jun 17, 2026
Feb 11, 2025
N/A· v4
5.1 MEDIUM· v3
N/A· v2
Multiple buffer overflow vulnerabilities in Wavlink WL-WN575A3 RPT75A3.V4300, which are caused by not performing strict length checks on user-controlled data. By successfully exploiting the vulnerabilities, attackers can...Show more
Multiple buffer overflow vulnerabilities in Wavlink WL-WN575A3 RPT75A3.V4300, which are caused by not performing strict length checks on user-controlled data. By successfully exploiting the vulnerabilities, attackers can crash the remote devices or execute arbitrary commands without any authorization verification.Show less
1Ruijie
1Rg Nbr2600s Firmware
Jun 17, 2026
Feb 11, 2025
N/A· v4
5.1 MEDIUM· v3
N/A· v2
Buffer overflow vulnerability in Ruijie RG-NBR2600S Gateway 10.3(4b12) due to the lack of length verification, which is related to the configuration of source address NAT rules. Attackers who successfully exploit this vu...Show more
Buffer overflow vulnerability in Ruijie RG-NBR2600S Gateway 10.3(4b12) due to the lack of length verification, which is related to the configuration of source address NAT rules. Attackers who successfully exploit this vulnerability can cause the remote target device to crash or execute arbitrary commands.Show less
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Jun 17, 2026
Feb 11, 2025
N/A· v4
5.1 MEDIUM· v3
N/A· v2
Buffer overflow vulnerability in Mercury MIPC552W Camera v1.0 due to the lack of length verification, which is related to the configuration of the PPTP server. Attackers who successfully exploit this vulnerability can ca...Show more
Buffer overflow vulnerability in Mercury MIPC552W Camera v1.0 due to the lack of length verification, which is related to the configuration of the PPTP server. Attackers who successfully exploit this vulnerability can cause the remote target device to crash or execute arbitrary commands.Show less
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Jun 17, 2026
Feb 11, 2025
N/A· v4
5.1 MEDIUM· v3
N/A· v2
Buffer overflow vulnerability in H3C FA3010L access points SWFA1B0V100R005 due to the lack of length verification, which is related to the setting of firewall rules. Attackers who successfully exploit this vulnerability...Show more
Buffer overflow vulnerability in H3C FA3010L access points SWFA1B0V100R005 due to the lack of length verification, which is related to the setting of firewall rules. Attackers who successfully exploit this vulnerability can cause the remote target device to crash or execute arbitrary commands.Show less
1Totolink
1X6000r Firmware
Jun 17, 2026
Feb 11, 2025
N/A· v4
5.1 MEDIUM· v3
N/A· v2
Buffer overflow vulnerability in TOTOLink X6000R routers V9.4.0cu.652_B20230116 due to the lack of length verification, which is related to the addition of Wi-Fi filtering rules. Attackers who successfully exploit this v...Show more
Buffer overflow vulnerability in TOTOLink X6000R routers V9.4.0cu.652_B20230116 due to the lack of length verification, which is related to the addition of Wi-Fi filtering rules. Attackers who successfully exploit this vulnerability can cause the remote target device to crash or execute arbitrary commands.Show less
1Trendnet
1Teg 40128 Firmware
Jun 17, 2026
Feb 11, 2025
N/A· v4
5.9 MEDIUM· v3
N/A· v2
Buffer overflow vulnerability in Trendnet TEG-40128 Web Smart Switch v1(1.00.023) due to the lack of length verification, which is related to the mobile access point setup operation. The attacker can directly control the...Show more
Buffer overflow vulnerability in Trendnet TEG-40128 Web Smart Switch v1(1.00.023) due to the lack of length verification, which is related to the mobile access point setup operation. The attacker can directly control the remote target device by successfully exploiting this vulnerability.Show less
1Linksys
1Wap610n Firmware
Jun 17, 2026
Feb 11, 2025
N/A· v4
7.3 HIGH· v3
N/A· v2
Buffer overflow vulnerability in Linksys WAP610N v1.0.05.002 due to the lack of length verification, which is related to the time setting operation. The attacker can directly control the remote target device by successfu...Show more
Buffer overflow vulnerability in Linksys WAP610N v1.0.05.002 due to the lack of length verification, which is related to the time setting operation. The attacker can directly control the remote target device by successfully exploiting this vulnerability.Show less
1Siemens
1Openv2g
Jun 17, 2026
Feb 11, 2025
6.9 MEDIUM· v4
9.8 CRITICAL· v3
N/A· v2
A vulnerability has been identified in OpenV2G (All versions < V0.9.6). The OpenV2G EXI parsing feature is missing a length check when parsing X509 serial numbers. Thus, an attacker could introduce a buffer overflow that...Show more
A vulnerability has been identified in OpenV2G (All versions < V0.9.6). The OpenV2G EXI parsing feature is missing a length check when parsing X509 serial numbers. Thus, an attacker could introduce a buffer overflow that leads to memory corruption.Show less
1Tenda
1W18e Firmware
Jun 17, 2026
Feb 10, 2025
N/A· v4
8.0 HIGH· v3
N/A· v2
Tenda W18E V16.01.0.8(1625) is vulnerable to Buffer Overflow. An attacker with access to the web management portal can exploit this vulnerability by sending specially crafted data to the delWewifiPic function.
1Gnu
1Binutils
Jun 17, 2026
Feb 10, 2025
2.3 LOW· v4
5.3 MEDIUM· v3
2.6 LOW· v2
A vulnerability has been found in GNU Binutils 2.43 and classified as problematic. Affected by this vulnerability is the function __sanitizer::internal_strlen of the file binutils/nm.c of the component nm. The manipulati...Show more
A vulnerability has been found in GNU Binutils 2.43 and classified as problematic. Affected by this vulnerability is the function __sanitizer::internal_strlen of the file binutils/nm.c of the component nm. The manipulation of the argument const leads to buffer overflow. The attack can be launched remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used.Show less
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Jun 17, 2026
Feb 7, 2025
N/A· v4
4.6 MEDIUM· v3
N/A· v2
NEXTU FLETA AX1500 WIFI6 v1.0.3 was discovered to contain a buffer overflow at /boafrm/formIpQoS. This vulnerability allows attackers to cause a Denial of Service (DoS) or potentially arbitrary code execution via a craft...Show more
NEXTU FLETA AX1500 WIFI6 v1.0.3 was discovered to contain a buffer overflow at /boafrm/formIpQoS. This vulnerability allows attackers to cause a Denial of Service (DoS) or potentially arbitrary code execution via a crafted POST request.Show less
1Openatom
1Openharmony
Jun 17, 2026
Feb 7, 2025
N/A· v4
7.8 HIGH· v3
N/A· v2
in OpenHarmony v4.1.2 and prior versions allow a local attacker cause the common permission is upgraded to root and sensitive information leak through buffer overflow.
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Jun 17, 2026
Feb 6, 2025
N/A· v4
7.5 HIGH· v3
N/A· v2
Buffer Overflow vulnerability in Proftpd commit 4017eff8 allows a remote attacker to execute arbitrary code and can cause a Denial of Service (DoS) on the FTP service by sending a maliciously crafted message to the ProFT...Show more
Buffer Overflow vulnerability in Proftpd commit 4017eff8 allows a remote attacker to execute arbitrary code and can cause a Denial of Service (DoS) on the FTP service by sending a maliciously crafted message to the ProFTPD service port.Show less
1Hummingheads
1Defense Platform
Jun 17, 2026
Feb 6, 2025
N/A· v4
8.8 HIGH· v3
N/A· v2
Buffer overflow vulnerability exists in Defense Platform Home Edition Ver.3.9.51.x and earlier. If an attacker performs a specific operation, SYSTEM privilege of the Windows system where the product is running may be obt...Show more
Buffer overflow vulnerability exists in Defense Platform Home Edition Ver.3.9.51.x and earlier. If an attacker performs a specific operation, SYSTEM privilege of the Windows system where the product is running may be obtained.Show less
1F5
1Big Ip Access Policy Manager
Jun 17, 2026
Feb 5, 2025
8.7 HIGH· v4
7.5 HIGH· v3
N/A· v2
When BIG-IP APM Access Profile is configured on a virtual server, undisclosed request can cause TMM to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
2Haxx
Netapp
8Curl
Hci Baseboard Management ControllerHci H610c Firmware+5 more
Jun 17, 2026
Feb 5, 2025
N/A· v4
7.3 HIGH· v3
N/A· v2
When libcurl is asked to perform automatic gzip decompression of content-encoded HTTP responses with the `CURLOPT_ACCEPT_ENCODING` option, **using zlib 1.2.0.3 or older**, an attacker-controlled integer overflow would ma...Show more
When libcurl is asked to perform automatic gzip decompression of content-encoded HTTP responses with the `CURLOPT_ACCEPT_ENCODING` option, **using zlib 1.2.0.3 or older**, an attacker-controlled integer overflow would make libcurl perform a buffer overflow.Show less
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Jun 17, 2026
Feb 4, 2025
9.3 CRITICAL· v4
9.8 CRITICAL· v3
N/A· v2
AutomationDirect C-more EA9 HMI contains a function with bounds checks that can be skipped, which could result in an attacker abusing the function to cause a denial-of-service condition or achieving remote code execution...Show more
AutomationDirect C-more EA9 HMI contains a function with bounds checks that can be skipped, which could result in an attacker abusing the function to cause a denial-of-service condition or achieving remote code execution on the affected device.Show less
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Jun 17, 2026
Jan 31, 2025
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Qualisys C++ SDK commit a32a21a was discovered to contain multiple stack buffer overflows via the GetCurrentFrame, SaveCapture, and LoadProject functions.
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Jun 17, 2026
Jan 31, 2025
N/A· v4
7.5 HIGH· v3
N/A· v2
A heap buffer overflow in the XML Text Escaping component of Qualisys C++ SDK commit a32a21a allows attackers to cause Denial of Service (DoS) via escaping special XML characters.