CVE-2026-22080 Insecure Transmission Vulnerability in Tenda Wireless Routers
Attackers on the same network can intercept Base64-encoded credentials to gain unauthorized access to Tenda wireless routers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-22080?
CVE-2026-22080 is a high-severity vulnerability in Tenda 300Mbps Wireless Router F3 and N300 Easy Setup Router, published on 9 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-319
Which versions are affected by CVE-2026-22080?
How do I fix CVE-2026-22080?
No fix has been published for CVE-2026-22080 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-22080 being exploited?
There is no known exploitation of CVE-2026-22080 in the wild and no public exploit code.
Sources
Also known as GHSA-vwwc-97q7-j4wg.