CVE-2025-15517

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

Published Mar 23, 2026 CVSS 4.0 · 8.6 High EPSS 2.9% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Tp-link archer Nx200
Tp-link archer Nx200 Firmware
Tp-link archer Nx210
Tp-link archer Nx210 Firmware
Tp-link archer Nx500
Tp-link archer Nx500 Firmware
Tp-link archer Nx600
Tp-link archer Nx600 Firmware
CPEs cpe:2.3:h:tp-link:archer_nx200:1.0:*:*:*:*:*:*:*
cpe:2.3:h:tp-link:archer_nx200:2.0:*:*:*:*:*:*:*
cpe:2.3:h:tp-link:archer_nx200:2.20:*:*:*:*:*:*:*
cpe:2.3:h:tp-link:archer_nx200:3.0:*:*:*:*:*:*:*
cpe:2.3:h:tp-link:archer_nx210:2.0:*:*:*:*:*:*:*
cpe:2.3:h:tp-link:archer_nx210:2.20:*:*:*:*:*:*:*
cpe:2.3:h:tp-link:archer_nx210:3.0:*:*:*:*:*:*:*
cpe:2.3:h:tp-link:archer_nx500:1.0:*:*:*:*:*:*:*
cpe:2.3:h:tp-link:archer_nx500:2.0:*:*:*:*:*:*:*
cpe:2.3:h:tp-link:archer_nx600:1.0:*:*:*:*:*:*:*
cpe:2.3:h:tp-link:archer_nx600:2.0:*:*:*:*:*:*:*
cpe:2.3:h:tp-link:archer_nx600:3.0:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:archer_nx200_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:archer_nx210_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:archer_nx500_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:archer_nx600_firmware:*:*:*:*:*:*:*:*
Vendors & Products Tp-link archer Nx200
Tp-link archer Nx200 Firmware
Tp-link archer Nx210
Tp-link archer Nx210 Firmware
Tp-link archer Nx500
Tp-link archer Nx500 Firmware
Tp-link archer Nx600
Tp-link archer Nx600 Firmware
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'}

Type Values Removed Values Added
First Time appeared Tp-link
Tp-link archer Nx200 V1.0
Tp-link archer Nx200 V2.0
Tp-link archer Nx200 V2.20
Tp-link archer Nx200 V3.0
Tp-link archer Nx210 V2.0 V2.20
Tp-link archer Nx210 V3.0
Tp-link archer Nx500 V1.0
Tp-link archer Nx500 V2.0
Tp-link archer Nx600 V1.0
Tp-link archer Nx600 V2.0
Tp-link archer Nx600 V3.0
Vendors & Products Tp-link
Tp-link archer Nx200 V1.0
Tp-link archer Nx200 V2.0
Tp-link archer Nx200 V2.20
Tp-link archer Nx200 V3.0
Tp-link archer Nx210 V2.0 V2.20
Tp-link archer Nx210 V3.0
Tp-link archer Nx500 V1.0
Tp-link archer Nx500 V2.0
Tp-link archer Nx600 V1.0
Tp-link archer Nx600 V2.0
Tp-link archer Nx600 V3.0
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Authorization Bypass in HTTP Server Endpoints on TP-Link Archer NX200, NX210, NX500 and NX600
Weaknesses CWE-306
References
Metrics cvssV4_0

{'score': 8.6, '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'}