Vulnerability in TP-Link Vx800v
CVE-2025-13399
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (5.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 5.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- TP-Link Vx800v — versions 1.0
- TP-Link Vx800v Firmware
- TP-Link Systems Inc. Vx800v V1.0 — versions 0
Weakness classification (CWE)
References
- f23511db-6c3e-4e32-a477-6aa17d310630 (Product, patch)
- f23511db-6c3e-4e32-a477-6aa17d310630 (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-13399?
- CVE-2025-13399 is a high-severity vulnerability in TP-Link Vx800v, classified under Insufficient Entropy. CVSS score: 8.8/10. Published 2026-01-29.
- How severe is CVE-2025-13399?
- High severity. CVSS v3 base score is 8.8 out of 10.