CVE-2020-10916 Auth bypass in TL-WA855RE
Network-adjacent attackers can bypass authentication during first-time setup to reset admin passwords and execute code on TP-Link Wi-Fi extenders.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-10916?
CVE-2020-10916 is a high-severity authentication bypass vulnerability in TP-Link TL-WA855RE, published on 7 May 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
This vulnerability allows network-adjacent attackers to escalate privileges on affected installations of TP-Link TL-WA855RE Firmware Ver: 855rev4-up-ver1-0-1-P1[20191213-rel60361] Wi-Fi extenders. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the first-time setup process. The issue results from the lack of proper validation on first-time setup requests. An attacker can leverage this vulnerability to reset the password for the Admin account and execute code in the context of the device. Was ZDI-CAN-10003.
Weakness: CWE-287
Which versions are affected by CVE-2020-10916?
It affects 1 product.
Products include Tp-Link Tl-Wa855re Firmware.
How do I fix CVE-2020-10916?
No fix has been published for CVE-2020-10916 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-2020-10916 being exploited?
There is no known exploitation of CVE-2020-10916 in the wild and no public exploit code.
Other vulnerabilities in TP-Link TL-WA855RE
Sources
Also known as GHSA-rvvm-x4j5-wgw3.