CVE-2025-13399 Insecure Encryption in Communication with the Web Interface on TP-Link VX800v
An adjacent attacker can brute force weak AES keys to decrypt, modify, or disrupt traffic on the TP-Link VX800v web interface.
- 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-2025-13399?
CVE-2025-13399 is a high-severity 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
A weakness in the web interface’s application layer encryption in VX800v v1.0 allows an adjacent attacker to brute force the weak AES key and decrypt intercepted traffic. Successful exploitation requires network proximity but no authentication, and may result in high impact to confidentiality, integrity, and availability of transmitted data.
Weakness: CWE-331
Which versions are affected by CVE-2025-13399?
It affects 1 product.
Products include Tp-Link Vx800v Firmware.
How do I fix CVE-2025-13399?
No fix has been published for CVE-2025-13399 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-13399 being exploited?
There is no known exploitation of CVE-2025-13399 in the wild and no public exploit code.
Other vulnerabilities in TP-Link Systems Inc. VX800v v1.0
- 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
- CVE-2025-15543 Read-Only Root Access via USB Storage Device in TP-Link VX800v
Sources
Also known as GHSA-8cjc-9g75-5fr7.