CVE-2025-13399

High

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.

SeverityHigh

CVSS8.8

Exploit probability—

Product

Tp-link Vx800v Firmware

PublishedJan 29, 2026

First seenJan 29, 2026

Weakness typeCWE-331CWE-331

How to fix

Update

tp-link vx800v_firmware800.0.11 or later

Patches

tp-link.com/de/support/download/vx800v/#Firmware

Vendor advisories

tp-link.com/us/support/faq/4930/

Affected products

Product	Affected versions	Fixed in
tp-link vx800v_firmware	v < 800.0.11	800.0.11

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