CVE-2026-15429: TP-Link Archer VX1800V Firmware

High severity, CVSS 8.8. EPSS: 1.4% chance of exploitation in the next 30 days.

A privilege escalation vulnerability exists in the HTTP authentication component in Archer VX1800v v1. Improper handling of user-controlled input may allow newline characters to be injected into internally constructed configuration data.  An authenticated user with sufficient privileges may be able to modify account settings and gain elevated administrative privileges.

Affected products

• TP-Link Archer VX1800V Firmware: before 0.16.0 (fixed in 0.16.0); version 2.0.0 only

Published 2026-07-14. Last modified 2026-08-06.