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Vulnerability · Published Jan 9, 2026 · Assigned by CERT-In

CVE-2026-22082Insecure Session ID Management Vulnerability in Tenda Wireless Routers

High 8.8

In plain English

A high-severity session fixation in 300Mbps Wireless Router F3 and N300 Easy Setup Router from Tenda. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities).

Severity (CVSS 4.0)8.8High
Exploit odds (30 days)0.5%top 60.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

This vulnerability exists in Tenda wireless routers (300Mbps Wireless Router F3 and N300 Easy Setup Router) due to the use of login credentials as the session ID through its web-based administrative interface. A remote attacker could exploit this vulnerability by intercepting network traffic and capturing the session ID during insecure transmission. Successful exploitation of this vulnerability could allow the attacker to hijack an authenticated session and compromise sensitive configuration information on the targeted device.

Affected products (as reported)

VendorProductVersions
Tenda 300Mbps Wireless Router F3 and N300 Easy Setup Router F3 v3.0 Firmware V12.01.01.41F3 v3.0 Firmware V12.01.01.42F3 v3.0 Firmware V12.01.01.48F3 v3.0 Firmware V12.01.01.52F3 v3.0 Firmware V12.01.01.55F3 v4.0 Firmware V03.03.01.40

Weakness: CWE-384 · 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

References