CVE-2025-3820
CVSS 3.1 Score 8.8 of 10 (high)
Details
Published Apr 19, 2025
Updated: Apr 21, 2025
CWE ID 119
CWE ID 121
Summary
CVE-2025-3820 is a critical vulnerability affecting Tenda W12 and i24 routers with firmware versions 3.0.0.4(2887)/3.0.0.5(3644). The issue lies within the cgiSysUplinkCheckSet function in the /bin/httpd file. A stack-based buffer overflow occurs when the argument hostIp1/hostIp2 is manipulated, creating an opportunity for remote attackers to exploit the system. The exploit for this vulnerability has been made public, increasing the risk for potential attacks.
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Affected Products
- Tenda i24
- W12
Affected Vendors
- Shenzhen Tenda Technology Co. Ltd