CVE-2026-22080 — Insecure Transmission Vulnerability in Tenda Wireless Routers

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
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

CWE

CWE-319

References

https://www.cert-in.org.in/s2cMainServlet?pageid=PUBVLNOTES01&VLCODE=CIVN-2026-0004

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.