CVE-2025-13399CWE-331

Insecure Encryption in Communication with the Web Interface on TP-Link VX800v

High · published January 29, 2026

CVSS v4.0
7.7
EPSS
0%
Percentile
5.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
7.7 · HIGH
Vector
CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00169 · 5.9th percentile
Weakness
CWE-331 · Insufficient Entropy
Published
2026-01-29T18:05Z
EPSS history
Timeline
  • 29 JAN 18:05Z
    Insecure Encryption in Communication with the Web Interface on TP-Link VX800v
    cvelistv5