CVE-2025-15517HIGH 8.1EPSS p86.2%

CVE-2025-15517CVE-2025-15517

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.

Scoring

CVSS 3.18.1 (HIGH)
VectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS3.14% probability of exploitation · percentile 86.2% · 2026-06-19T12:03:05Z
Published2026-03-23
Last modified2026-03-31

Underlying weaknesses· 1

CWE-306

References

  1. https://www.tp-link.com/en/support/download/archer-nx200/#Firmware
  2. https://www.tp-link.com/en/support/download/archer-nx210/#Firmware
  3. https://www.tp-link.com/en/support/download/archer-nx500/#Firmware
  4. https://www.tp-link.com/en/support/download/archer-nx600/#Firmware
  5. https://www.tp-link.com/us/support/faq/5027/

1

TypeTargetConfidenceTier
WeaknessMissing Authentication for Critical Functioncwe-3060%live

Related by meaning· 6

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.