CVE-2026-27513 Tenda F3 CSRF in Web Management Interface

Medium 5.1 Published 23 Feb 2026 Updated 11 May 2026

An attacker can trick an authenticated administrator into submitting malicious requests to change router configuration via CSRF.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-27513?

CVE-2026-27513 is a medium-severity vulnerability in Shenzhen Tenda Technology Co., Ltd. Tenda F3, published on 23 Feb 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

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.

Weakness: CWE-352

Which versions are affected by CVE-2026-27513?

It affects 1 product.

Products include Tenda F3 Firmware.

How do I fix CVE-2026-27513?

No fix has been published for CVE-2026-27513 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-27513 being exploited?

There is no known exploitation of CVE-2026-27513 in the wild and no public exploit code.

Sources

Also known as GHSA-9hjg-4h75-mvc5.