CVE-2026-22081

High

Description

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.

SeverityHigh
CVSS8.8
Exploit probability—
Product300Mbps Wireless Router F3 and N300 Easy Setup Router
PublishedJan 9, 2026
First seenJan 9, 2026
Weakness typeCWE-1004CWE-1004

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
Tenda 300Mbps Wireless Router F3 and N300 Easy Setup RouterF3 v3.0 Firmware V12.01.01.41, F3 v3.0 Firmware V12.01.01.42, F3 v3.0 Firmware V12.01.01.48, F3 v3.0 Firmware V12.01.01.52, F3 v3.0 Firmware V12.01.01.55, F3 v4.0 Firmware V03.03.01.40—

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