PT-2026-21531 · Tenda · Tenda F3 Wireless Router

Kazuma Matsumoto · Published 2026-02-23 · Updated 2026-02-24 · CVE-2026-27513

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Name of the Vulnerable Software and Affected Versions Shenzhen Tenda F3 Wireless Router firmware version V12.01.01.55 multi

Description The web-based administrative interface does not implement anti-CSRF protections. This allows an attacker to make an authenticated administrator submit requests that change the system's state, potentially leading to unauthorized configuration changes. A cross-site request forgery (CSRF) condition exists.

Recommendations Apply any available firmware updates to address the lack of anti-CSRF protections in the web-based administrative interface.

Fix

CSRF

Weakness Enumeration

CWE-352

Related Identifiers

CVE-2026-27513

Affected Products

Tenda F3 Wireless Router

References · 6

• https://osv.dev/vulnerability/CVE-2026-27513 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-27513 · Security Note
• https://tendacn.com/product/F3 · Note
• https://vulncheck.com/advisories/tenda-f3-csrf-in-web-management-interface · Note
• https://twitter.com/CVEnew/status/2026265033890533800 · Twitter Post
• https://t.me/CVEtracker/45510 · Telegram Post