Vulnerability · Published Feb 23, 2026 · Assigned by VulnCheck

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

Medium 4.3

In plain English

A medium-severity cross-site request forgery in Tenda F3 from Shenzhen Tenda Technology Co., Ltd.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.1%top 98.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
Shenzhen Tenda Technology Co., Ltd.	Tenda F3	0 – through 12.01.01.55_multi

Weakness: CWE-352 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

References

https://www.tendacn.com/product/F3 product
https://www.vulncheck.com/advisories/tenda-f3-csrf-in-web-management-interface third-party-advisory