CVE-2020-10883 Privilege escalation in Archer A7

Medium 5.3 Published 25 Mar 2020 Updated 4 Aug 2024

Local attackers can escalate privileges on TP-Link Archer A7 routers due to improper file system permissions.

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-2020-10883?

CVE-2020-10883 is a medium-severity 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 local attackers to escalate privileges on affected installations of TP-Link Archer A7 Firmware Ver: 190726 AC1750 routers. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the file system. The issue lies in the lack of proper permissions set on the file system. An attacker can leverage this vulnerability to escalate privileges. Was ZDI-CAN-9651.

Weakness: CWE-732

Which versions are affected by CVE-2020-10883?

It affects 1 product.

Products include Tp-Link Ac1750 Firmware.

How do I fix CVE-2020-10883?

No fix has been published for CVE-2020-10883 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-10883 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-10883 exists.

Public exploit code: 1 Metasploit module and 1 Exploit-DB entry.

Sources

Also known as GHSA-x5q7-vw6g-xc6c.