CVE-2026-3294 Authentication Logic Vulnerability on Multiple TP-Link Range Extenders
An unauthenticated attacker on an adjacent network can reset the administrator password to gain full control of TP-Link range extenders.
- 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-2026-3294?
CVE-2026-3294 is a high-severity authentication bypass vulnerability in TP Link Systems Inc. Archer RE305 v1, published on 22 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An authentication logic vulnerability in multiple TP-Link range extenders allows an unauthenticated attacker on an adjacent network to manipulate a login parameter and reset the administrator password due to insufficient validation.
Successful exploitation allows an attacker to obtain full administrative control of the affected device, potentially impacting on confidentiality, integrity, and availability.
Which versions are affected by CVE-2026-3294?
It affects 5 products.
Products include Tp-Link Re305 Firmware, Tp-Link Re360 Firmware, Tp-Link Re580d Firmware, Tp-Link Re650 Firmware, Tp-Link Tl-Wa860re Firmware.
How do I fix CVE-2026-3294?
No fix has been published for CVE-2026-3294 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-3294 being exploited?
There is no known exploitation of CVE-2026-3294 in the wild and no public exploit code.
Sources
Also known as GHSA-x4px-5wq7-9jm8.