CVE-2026-27513: Tenda f3 Firmware

Medium severity, CVSS 4.3. EPSS: 0.2% chance of exploitation in the next 30 days.

Shenzhen Tenda F3 Wireless Router firmware V12.01.01.55_multi contains a cross-site request forgery (CSRF) vulnerability in the web-based administrative interface. The interface does not implement anti-CSRF protections, allowing an attacker to induce an authenticated administrator to submit state-changing requests, which can result in unauthorized configuration changes.

Affected products

• Tenda f3 Firmware: up to and including 12.01.01.55_multi

Published 2026-02-23. Last modified 2026-06-17.