CVE-2026-15429

Privilege Escalation via Improper Input Sanitization in TP-Link Archer VX1800v

State: Published
Severity: 5.1 Medium
Published: Jul 14, 2026
Updated: Jul 15, 2026
Reserved: Jul 10, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	5.1 Medium	CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N	TPLink

Weaknesses

CWE-93 Improper neutralization of CRLF sequences ('CRLF injection')

Affected Products

Product	Versions
Archer VX1800v v1TP-Link Systems Inc.	before 0.16.0 2.0.0 v6092.0 Build 260521 RC.7927nAffected

References

https://www.tp-link.com/en/support/download/archer-vx1800v/#Firmwarepatch
https://www.tp-link.com/us/support/faq/5189/vendor-advisory

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.