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CVE-2026-22082

Insecure Session ID Management Vulnerability in Tenda Wireless Routers

High8.8EPSS 0.46%
Published
Updated
Reserved
Assigned by
CERT-In

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.

Timeline

  1. ID reserved

    By CERT-In

  2. · 3 days later

    Published

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2026-22082, by who scored it
Scored byCVSSScoreVector
CERT-InCNA (assigner)4.0High8.8CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N
NVDNVD · Deferred4.0High8.8CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS (exploitation in 30 days)
0.46% · top 60% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: yes · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.

Weakness

Affected products

  • Tenda · 300Mbps Wireless Router F3 and N300 Easy Setup Router

    • affected F3 v3.0 Firmware V12.01.01.41
    • affected F3 v3.0 Firmware V12.01.01.42
    • affected F3 v3.0 Firmware V12.01.01.48
    • affected F3 v3.0 Firmware V12.01.01.52
    • affected F3 v3.0 Firmware V12.01.01.55
    • affected F3 v4.0 Firmware V03.03.01.40

What to do

Solution: Apply appropriate updates as mentioned by the vendor: https://www.tendacn.com/in/material/show/724624313163845

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .