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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
1Draytek
1Vigor3910 Firmware
Jun 17, 2026
Sep 18, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
Draytek Vigor 3910 v4.3.2.6 was discovered to contain a buffer overflow in the saveitem parameter at lan2lan.cgi. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
1Draytek
1Vigor3910 Firmware
Jun 17, 2026
Sep 18, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
Draytek Vigor 3910 v4.3.2.6 was discovered to contain a buffer overflow in the saveVPNProfile parameter at v2x00.cgi. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
1Draytek
1Vigor3910 Firmware
Jun 17, 2026
Sep 18, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
Draytek Vigor 3910 v4.3.2.6 was discovered to contain a buffer overflow in the trapcomm parameter at cgiswm.cgi. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
1Draytek
1Vigor3910 Firmware
Jun 17, 2026
Sep 18, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
Draytek Vigor 3910 v4.3.2.6 was discovered to contain a buffer overflow in the ssidencrypt_5g%d parameter at v2x00.cgi. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
1Draytek
1Vigor3910 Firmware
Jun 17, 2026
Sep 18, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
Draytek Vigor 3910 v4.3.2.6 was discovered to contain a buffer overflow in the sDnsPro parameter at v2x00.cgi. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
1Draytek
1Vigor3910 Firmware
Jun 17, 2026
Sep 18, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
Draytek Vigor 3910 v4.3.2.6 was discovered to contain a buffer overflow in the ssidencrypt%d parameter at v2x00.cgi. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
1Draytek
1Vigor3910 Firmware
Jun 17, 2026
Sep 18, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
Draytek Vigor 3910 v4.3.2.6 was discovered to contain a buffer overflow in the sIpv6AiccuUser parameter at inetipv6.cgi. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
1Draytek
1Vigor3910 Firmware
Jun 17, 2026
Sep 18, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
Draytek Vigor 3910 v4.3.2.6 was discovered to contain a buffer overflow in the sProfileName parameter at wizfw.cgi. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
1Draytek
1Vigor3910 Firmware
Jun 17, 2026
Sep 18, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
Draytek Vigor 3910 v4.3.2.6 was discovered to contain a buffer overflow in the sCloudPass parameter at v2x00.cgi. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
1Draytek
1Vigor3910 Firmware
Jun 17, 2026
Sep 18, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
Draytek Vigor 3910 v4.3.2.6 was discovered to contain a buffer overflow in the sProfileName parameter at usergrp.cgi. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
1Draytek
1Vigor3910 Firmware
Jun 17, 2026
Sep 18, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
Draytek Vigor 3910 v4.3.2.6 was discovered to contain a buffer overflow in the AControlIp1 parameter at acontrol.cgi. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
1Draytek
1Vigor3910 Firmware
Jun 17, 2026
Sep 18, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
Draytek Vigor 3910 v4.3.2.6 was discovered to contain a buffer overflow in the extRadSrv2 parameter at cgiapp.cgi. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
1Draytek
1Vigor3910 Firmware
Jun 17, 2026
Sep 18, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
Draytek Vigor 3910 v4.3.2.6 was discovered to contain a buffer overflow in the sSrvAddr parameter at v2x00.cgi. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
1Draytek
1Vigor3910 Firmware
Jun 17, 2026
Sep 18, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
Draytek Vigor 3910 v4.3.2.6 was discovered to contain a buffer overflow in the sProfName parameter at v2x00.cgi. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
1Draytek
1Vigor3910 Firmware
Jun 17, 2026
Sep 18, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
Draytek Vigor 3910 v4.3.2.6 was discovered to contain a buffer overflow in the fid parameter at v2x00.cgi. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
1Draytek
1Vigor3910 Firmware
Jun 17, 2026
Sep 18, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
Draytek Vigor 3910 v4.3.2.6 was discovered to contain a buffer overflow in the sPPPSrvNm parameter at fwuser.cgi. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
1Draytek
1Vigor3910 Firmware
Jun 17, 2026
Sep 18, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
Draytek Vigor 3910 v4.3.2.6 was discovered to contain a buffer overflow in the sPeerId parameter at vpn.cgi. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
1Draytek
1Vigor3910 Firmware
Jun 17, 2026
Sep 18, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
Draytek Vigor 3910 v4.3.2.6 was discovered to contain a buffer overflow in the iProfileIdx parameter at v2x00.cgi. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
1Draytek
1Vigor3910 Firmware
Jun 17, 2026
Sep 18, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
Draytek Vigor 3910 v4.3.2.6 was discovered to contain a buffer overflow in the sAppName parameter at sslapp.cgi. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
1Draytek
1Vigor3910 Firmware
Jun 17, 2026
Sep 18, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
Draytek Vigor 3910 v4.3.2.6 was discovered to contain a buffer overflow in the sSrvName parameter at service.cgi. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.