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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
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Jun 17, 2026
Feb 19, 2025
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Extreme Networks IQ Engine before 10.6r1a, and through 10.6r4 before 10.6r5, has a buffer overflow. This issue arises from the ah_webui service, which listens on TCP port 3009 by default.
2Debian
Offis
2Dcmtk
Debian Linux
Jun 17, 2026
Feb 18, 2025
N/A· v4
6.5 MEDIUM· v3
N/A· v2
DCMTK v3.6.9+ DEV was discovered to contain a buffer overflow via the component /dcmimgle/diinpxt.h.
2Debian
Offis
2Dcmtk
Debian Linux
Jun 17, 2026
Feb 18, 2025
N/A· v4
5.3 MEDIUM· v3
N/A· v2
A buffer overflow in DCMTK git master v3.6.9+ DEV allows attackers to cause a Denial of Service (DoS) via a crafted DCM file.
1Elfutils Project
1Elfutils
Jun 17, 2026
Feb 17, 2025
4.8 MEDIUM· v4
7.8 HIGH· v3
4.3 MEDIUM· v2
A vulnerability was found in GNU elfutils 0.192. It has been declared as critical. Affected by this vulnerability is the function dump_data_section/print_string_section of the file readelf.c of the component eu-readelf....Show more
A vulnerability was found in GNU elfutils 0.192. It has been declared as critical. Affected by this vulnerability is the function dump_data_section/print_string_section of the file readelf.c of the component eu-readelf. The manipulation of the argument z/x leads to buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The identifier of the patch is 73db9d2021cab9e23fd734b0a76a612d52a6f1db. It is recommended to apply a patch to fix this issue.Show less
1Escanav
1Escan Anti Virus
Jun 17, 2026
Feb 17, 2025
4.6 MEDIUM· v4
2.3 LOW· v3
1.4 LOW· v2
A vulnerability was found in MicroWord eScan Antivirus 7.0.32 on Linux. It has been declared as problematic. This vulnerability affects the function ReadConfiguration of the file /opt/MicroWorld/etc/mwav.conf. The manipu...Show more
A vulnerability was found in MicroWord eScan Antivirus 7.0.32 on Linux. It has been declared as problematic. This vulnerability affects the function ReadConfiguration of the file /opt/MicroWorld/etc/mwav.conf. The manipulation of the argument BasePath leads to buffer overflow. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Escanav
1Escan Anti Virus
Jun 17, 2026
Feb 17, 2025
4.8 MEDIUM· v4
5.3 MEDIUM· v3
4.3 MEDIUM· v2
A vulnerability was found in MicroWord eScan Antivirus 7.0.32 on Linux. It has been classified as critical. This affects the function sprintf of the component USB Password Handler. The manipulation leads to buffer overfl...Show more
A vulnerability was found in MicroWord eScan Antivirus 7.0.32 on Linux. It has been classified as critical. This affects the function sprintf of the component USB Password Handler. The manipulation leads to buffer overflow. An attack has to be approached locally. The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Elfutils Project
1Elfutils
Jun 17, 2026
Feb 17, 2025
4.8 MEDIUM· v4
7.8 HIGH· v3
4.3 MEDIUM· v2
A vulnerability, which was classified as critical, was found in GNU elfutils 0.192. This affects the function process_symtab of the file readelf.c of the component eu-readelf. The manipulation of the argument D/a leads t...Show more
A vulnerability, which was classified as critical, was found in GNU elfutils 0.192. This affects the function process_symtab of the file readelf.c of the component eu-readelf. The manipulation of the argument D/a leads to buffer overflow. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The identifier of the patch is 5e5c0394d82c53e97750fe7b18023e6f84157b81. It is recommended to apply a patch to fix this issue.Show less
1Tp Link
1Tl Wr841nd V11 Firmware
Jun 17, 2026
Feb 13, 2025
N/A· v4
4.9 MEDIUM· v3
N/A· v2
A buffer overflow vulnerability was discovered in TP-Link TL-WR841ND V11 via the username and password parameters at /userRpm/PPPoEv6CfgRpm.htm. This vulnerability allows attackers to cause a Denial of Service (DoS) via...Show more
A buffer overflow vulnerability was discovered in TP-Link TL-WR841ND V11 via the username and password parameters at /userRpm/PPPoEv6CfgRpm.htm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted packet.Show less
1Tenda
1Ac6 Firmware
Jun 17, 2026
Feb 12, 2025
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Tenda AC6 V15.03.05.16 firmware has a buffer overflow vulnerability in the formexeCommand function.
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Jun 17, 2026
Feb 12, 2025
N/A· v4
6.8 MEDIUM· v3
N/A· v2
NVIDIA nvJPEG2000 library contains a vulnerability where an attacker can cause a buffer overflow issue by means of a specially crafted JPEG2000 file. A successful exploit of this vulnerability might lead to data tamperin...Show more
NVIDIA nvJPEG2000 library contains a vulnerability where an attacker can cause a buffer overflow issue by means of a specially crafted JPEG2000 file. A successful exploit of this vulnerability might lead to data tampering.Show less
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Jun 17, 2026
Feb 11, 2025
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Buffer overflow vulnerability in Digital China DCBI-Netlog-LAB Gateway 1.0 due to the lack of length verification, which is related to saving parental control configuration information. Attackers who successfully exploit...Show more
Buffer overflow vulnerability in Digital China DCBI-Netlog-LAB Gateway 1.0 due to the lack of length verification, which is related to saving parental control configuration information. 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 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