CVE-2026-15429

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.

Score

CVSS 3.1 8.8 High

Status

Analyzed - f23511db-6c3e-4e32-a477-6aa17d310630

Published

2026-07-14

Last modified

2026-10-24

Weaknesses

CWE-93

Affected products

• Archer Vx1800v Firmware (Tp-link)
• Archer Vx1800v V1 (Tp-link Systems Inc.)

References

• https://www.tp-link.com/en/support/download/archer-vx1800v/#Firmware
• https://www.tp-link.com/us/support/faq/5189/