CVE-2020-10886 Command injection in Archer A7
Remote attackers can execute arbitrary code on TP-Link Archer A7 routers via the tmpServer service without authentication.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-10886?
CVE-2020-10886 is a high-severity command injection vulnerability in TP-Link Archer A7, published on 25 Mar 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
This vulnerability allows remote 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 tmpServer service, which listens on TCP port 20002. The issue results from the lack of proper validation of 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 current process. Was ZDI-CAN-9662.
Weakness: CWE-78
Which versions are affected by CVE-2020-10886?
It affects 1 product.
Products include Tp-Link Ac1750 Firmware.
How do I fix CVE-2020-10886?
No fix has been published for CVE-2020-10886 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-2020-10886 being exploited?
There is no known exploitation of CVE-2020-10886 in the wild and no public exploit code.
Other vulnerabilities in TP-Link Archer A7
Sources
Also known as GHSA-wxq4-hr45-c485.