CVE-2025-15517 HIGH

CVE-2025-15517: Authorization Bypass in HTTP Server Endpoints on TP-Link Archer NX200, NX210, NX500 and NX600

Vendor Tp-Link Systems Inc.
Product Archer NX600 v3.0
Weakness CWE-306 · Missing auth
Published March 23, 2026
Last update March 24, 2026

CVSS base score

8.6/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

A missing authentication check in the HTTP server on TP-Link Archer NX200, NX210, NX500 and NX600 to certain cgi endpoints allows unauthenticated access intended for authenticated users. An attacker may perform privileged HTTP actions without authentication, including firmware upload and configuration operations.

Key dates

02Disclosure timeline

March 23, 2026 CVE published
March 24, 2026 Record updated