SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

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.

HIGH 8.6EPSS 2.97%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.97%). 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
2.97% probability · 86th percentile
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

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.