Vulnerability · Published Jul 14, 2026 · Assigned by TPLink

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

Medium 5.1

In plain English

A medium-severity security flaw in Archer VX1800v v1 from TP-Link Systems Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 72% of all known vulnerabilities).

Severity (CVSS 4.0)5.1Medium
Exploit odds (30 days)1.4%top 27.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
TP-Link Systems Inc. Archer VX1800v v1 0 – before 0.16.0 2.0.0 v6092.0 Build 260521 RC.7927n

Weakness: CWE-93 · Vector: 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

References