CVE-2026-22081 HIGH

CVE-2026-22081: Cookie without HTTPOnly Flag Vulnerability in Tenda Wireless Routers

Vendor Tenda
Product 300Mbps Wireless Router F3 and N300 Easy Setup Router
Weakness CWE-1004
Published January 9, 2026
Last update January 9, 2026

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N

What the vulnerability does

01Description

This vulnerability exists in Tenda wireless routers (300Mbps Wireless Router F3 and N300 Easy Setup Router) due to the missing HTTPOnly flag for session cookies associated with the web-based administrative interface. A remote at-tacker could exploit this vulnerability by capturing session cookies transmitted over an insecure HTTP connection. Successful exploitation of this vulnerability could allow the attacker to obtain sensitive information and gain unau-thorized access to the targeted device.

Key dates

02Disclosure timeline

January 9, 2026 CVE published
January 9, 2026 Record updated