CVE-2025-15543 Read-Only Root Access via USB Storage Device in TP-Link VX800v
An attacker with physical access can use a crafted USB device to read root filesystem contents via improper link resolution in the USB HTTP access path.
- 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-2025-15543?
CVE-2025-15543 is a medium-severity path traversal vulnerability in TP-Link Systems Inc. VX800v v1.0, published on 29 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Improper link resolution in USB HTTP access path in VX800v v1.0 allows a crafted USB device to expose root filesystem contents, giving an attacker with physical access read‑only access to system files.
Weakness: CWE-59
Which versions are affected by CVE-2025-15543?
It affects 1 product.
Products include Tp-Link Vx800v Firmware.
How do I fix CVE-2025-15543?
No fix has been published for CVE-2025-15543 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-2025-15543 being exploited?
There is no known exploitation of CVE-2025-15543 in the wild and no public exploit code.
Other vulnerabilities in TP-Link Systems Inc. VX800v v1.0
- CVE-2025-13399 Insecure Encryption in Communication with the Web Interface on TP-Link VX800v
- CVE-2025-15541 Access to System Files via SFTP on TP-Link VX800v
- CVE-2025-15542 Denial of Service (DoS) of VoIP Communication on TP-Link VX800v
- CVE-2025-15548 Missing Application-Layer Encryption in Web Interface Endpoints on TP-Link VX800v
Sources
Also known as GHSA-45cj-cpr6-w4fh.