CVE-2026-15429: Privilege Escalation via Improper Input Sanitization in TP-Link Archer VX1800v

Published Jul 14, 2026
·
Updated

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 Software

1 affected component
TP-Link Archer VX1800v=v1

Event History

Jul 14, 2026
CVE Published
via MITRE·05:04 PM
Data Sourced
via MITRE·05:04 PM
DescriptionWeakness
Data Sourced
via NVD·05:16 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2026-15429?

CVE-2026-15429 has a medium severity rating of 5.1 according to the CVSS scoring system.

2

How do I fix CVE-2026-15429?

To mitigate CVE-2026-15429, ensure you update the TP-Link Archer VX1800v to the latest firmware that addresses this vulnerability.

3

What type of vulnerability is CVE-2026-15429?

CVE-2026-15429 is a privilege escalation vulnerability caused by improper input sanitization.

4

What are the potential impacts of CVE-2026-15429?

Exploitation of CVE-2026-15429 could allow an authenticated user to inject newline characters and manipulate configuration data.

5

Is CVE-2026-15429 specific to certain devices?

Yes, CVE-2026-15429 specifically affects the TP-Link Archer VX1800v version 1.

Contact

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