Vulnerability in TP-Link Archer Vx1800v
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.
Vulnerability class: CRLF Injection
EPSS: 0.008 (54.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Tp-link Archer_vx1800v — versions 1.0
- Tp-link Archer_vx1800v_firmware — versions 2.0.0
- Tp-link Systems Inc. Archer Vx1800v V1 — versions 0
Weakness classification (CWE)
References
- f23511db-6c3e-4e32-a477-6aa17d310630 (Product, patch)
- f23511db-6c3e-4e32-a477-6aa17d310630 (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-15429?
- CVE-2026-15429 is a high-severity vulnerability in TP-Link Archer Vx1800v, classified under CRLF Injection. CVSS score: 8.8/10. Published 2026-07-14.
- How severe is CVE-2026-15429?
- High severity. CVSS v3 base score is 8.8 out of 10.