CVE-2026-27511

Tenda F3 Clickjacking in Web Management Interface

State: Published
Severity: 5.1 Medium
Published: Feb 23, 2026
Updated: May 11, 2026
Reserved: Feb 19, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	5.1 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N	VulnCheck
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N	VulnCheck

Weaknesses

CWE-1021 Improper Restriction of Rendered UI Layers or Frames

Affected Products

Product	Versions
Tenda F3Shenzhen Tenda Technology Co., Ltd.	12.01.01.55_multi and earlierAffected

References

https://www.tendacn.com/product/F3product
https://www.vulncheck.com/advisories/tenda-f3-clickjacking-in-web-management-interfacethird-party-advisory

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