CVE-2020-10882 Command injection in Archer A7
Network-adjacent attackers can execute arbitrary code as root on TP-Link Archer A7 routers via a command injection flaw in the tdpServer service.
- 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-2020-10882?
CVE-2020-10882 is a high-severity command injection vulnerability in TP-Link Archer A7, published on 25 Mar 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 execute arbitrary code on affected installations of TP-Link Archer A7 Firmware Ver: 190726 AC1750 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the tdpServer service, which listens on UDP port 20002 by default. When parsing the slave_mac parameter, the process does not properly validate a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the root user. Was ZDI-CAN-9650.
Weakness: CWE-78
Which versions are affected by CVE-2020-10882?
It affects 1 product.
Products include Tp-Link Ac1750 Firmware.
How do I fix CVE-2020-10882?
No fix has been published for CVE-2020-10882 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2020-10882 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-10882 exists.
Public exploit code: 1 Metasploit module, 1 Exploit-DB entry and 1 proofs of concept on GitHub.
Other vulnerabilities in TP-Link Archer A7
Sources
Also known as GHSA-264q-ch9j-7v9c.