CVE-2020-5795 Path traversal in TP-Link Archer A7 v5
An authenticated admin with physical access can execute arbitrary code via a crafted USB drive exploiting symlink following.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-5795?
CVE-2020-5795 is a medium-severity path traversal vulnerability in TP-Link Archer A7 v5, published on 6 Nov 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
UNIX Symbolic Link (Symlink) Following in TP-Link Archer A7(US)_V5_200721 allows an authenticated admin user, with physical access and network access, to execute arbitrary code after plugging a crafted USB drive into the router.
Weakness: CWE-59
Which versions are affected by CVE-2020-5795?
It affects 1 product.
Products include Tp-Link Archer A7 Firmware.
How do I fix CVE-2020-5795?
No fix has been published for CVE-2020-5795 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2020-5795 being exploited?
There is no known exploitation of CVE-2020-5795 in the wild and no public exploit code.
Other vulnerabilities in TP-Link Archer A7 v5
Sources
Also known as GHSA-948p-g8fc-mhj5.