CVE-2026-22080

HIGH

Tenda Wireless Router - Info Disclosure

Title source: llm
STIX 2.1

Description

This vulnerability exists in Tenda wireless routers (300Mbps Wireless Router F3 and N300 Easy Setup Router) due to the transmission of credentials encoded using reversible Base64 encoding through the web-based administrative interface. An attacker on the same network could exploit this vulnerability by intercepting network traffic and capturing the Base64-encoded credentials. Successful exploitation of this vulnerability could allow the attacker to obtain sensitive information and gain unauthorized access to the targeted device.

Scores

CVSS v4 8.7
EPSS 0.0001
EPSS Percentile 2.9%
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-319
Status published
Products (6)
Tenda/300Mbps Wireless Router F3 and N300 Easy Setup Router F3 v3.0 Firmware V12.01.01.41
Tenda/300Mbps Wireless Router F3 and N300 Easy Setup Router F3 v3.0 Firmware V12.01.01.42
Tenda/300Mbps Wireless Router F3 and N300 Easy Setup Router F3 v3.0 Firmware V12.01.01.48
Tenda/300Mbps Wireless Router F3 and N300 Easy Setup Router F3 v3.0 Firmware V12.01.01.52
Tenda/300Mbps Wireless Router F3 and N300 Easy Setup Router F3 v3.0 Firmware V12.01.01.55
Tenda/300Mbps Wireless Router F3 and N300 Easy Setup Router F3 v4.0 Firmware V03.03.01.40
Published Jan 09, 2026
Tracked Since Feb 18, 2026