Medium severity · published Feb 23, 2026
CVE-2026-27513
Tenda F3 CSRF in Web Management Interface
4.3
CVSS
0.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 2% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TF
Tenda F3 · Shenzhen Tenda Technology Co., Ltd.
through 12.01.01.55_multi · source: vendor
FF
F3 Firmware · Tenda
through 12.01.01.55_multi · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-27513
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-27513
Product
https://www.tendacn.com/product/F3
Third Party Advisory
https://www.vulncheck.com/advisories/tenda-f3-csrf-in-web-management-interface
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4.3
CVE-2026-27511
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