CVE-2025-3820 HIGH

CVE-2025-3820: Tenda W12/i24 httpd cgiSysUplinkCheckSet stack-based overflow

Vendor Tenda
Product W12
Weakness CWE-121
Published April 19, 2025
Last update April 21, 2025
View on NVD All CVEs

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

A vulnerability was found in Tenda W12 and i24 3.0.0.4(2887)/3.0.0.5(3644) and classified as critical. Affected by this issue is the function cgiSysUplinkCheckSet of the file /bin/httpd. The manipulation of the argument hostIp1/hostIp2 leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Key dates

02Disclosure timeline

April 19, 2025 CVE published
April 21, 2025 Record updated