CVE-2025-15517
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.11%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 4.0
- 8.6 HIGHCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 3.11% probability · 88th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-306
- Affected
- tp-link/archer nx600 firmware · tp-link/archer nx500 firmware · tp-link/archer nx210 firmware · tp-link/archer nx200 firmware
- Source
- f23511db-6c3e-4e32-a477-6aa17d310630
EPSS 3.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://www.tp-link.com/en/support/download/archer-nx200/#FirmwareProduct
- https://www.tp-link.com/en/support/download/archer-nx210/#FirmwareProduct
- https://www.tp-link.com/en/support/download/archer-nx500/#FirmwareProduct
- https://www.tp-link.com/en/support/download/archer-nx600/#FirmwareProduct
- https://www.tp-link.com/us/support/faq/5027/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.