# CVE-2025-13399

## Summary

- **CVE ID:** CVE-2025-13399
- **Severity:** HIGH
- **CVSS Score:** 7.7 (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)
- **CWE:** CWE-331
- **Published:** Jan 29, 2026
- **Last Modified:** Mar 13, 2026

## 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.

## Affected Products

- TP-Link Systems Inc. — VX800v v1.0 (0)

## References

- [CNA](https://www.tp-link.com/de/support/download/vx800v/#Firmware)
- [CNA](https://www.tp-link.com/us/support/faq/4930/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.16%
- **EPSS Percentile:** 5.4

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._