Vulnerability · Published Feb 23, 2026 · Assigned by VulnCheck

CVE-2026-27511Tenda F3 Clickjacking in Web Management Interface

Medium 4.3

In plain English

A medium-severity security flaw 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 0.2% (higher than 16% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.2%top 84.0% 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 clickjacking vulnerability in the web-based administrative interface. The interface does not set the X-Frame-Options header, allowing attacker-controlled sites to embed administrative pages in an iframe and trick an authenticated administrator into unintended interactions that may 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-1021 · 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-clickjacking-in-web-management-interface third-party-advisory