CVE-2025-15517

HIGHNVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-03-23. NVD baseline CVSS 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 3%CVSS: 8.1Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
8.1
EG Score
8.1(medium)
EG Risk
42(Track)
EG Risk 42/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity81% × 45%
Exploitation3% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
3%
EPSS %ILE
87%
KEV
Not listed

Published

March 23, 2026

Last Modified

June 17, 2026

Advisory Details (5)

Auto-updated Aug 2, 2026
No patch confirmed yet.
generic

Security Advisory on Multiple Vulnerabilities on TP-Link Archer NX200, NX210, NX500 and NX600 (CVE-2025-15517 to CVE-2025-15519 and CVE-2025-15605)

https://www.tp-link.com/us/support/faq/5027/
generic

Download for Archer NX600 | TP-Link

https://www.tp-link.com/en/support/download/archer-nx600/#Firmware
generic

Download for Archer NX500 | TP-Link

https://www.tp-link.com/en/support/download/archer-nx500/#Firmware
generic

Download for Archer NX210 | TP-Link

https://www.tp-link.com/en/support/download/archer-nx210/#Firmware
generic

Download for Archer NX200 | TP-Link

https://www.tp-link.com/en/support/download/archer-nx200/#Firmware

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 5× in last 7d / 26× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-09-18 19:27 UTCEPSS rescore
  2. 2026-09-16 14:06 UTCEPSS rescore
  3. 2026-09-16 05:13 UTCEPSS rescore
  4. 2026-09-15 03:08 UTCEPSS rescore
  5. 2026-09-13 16:45 UTCEPSS rescore
  6. 2026-09-12 14:59 UTCEPSS rescore
  7. 2026-09-11 14:51 UTCEPSS rescore
  8. 2026-09-11 09:35 UTCEPSS rescore
  9. 2026-09-10 09:33 UTCEPSS rescore
  10. 2026-09-08 21:59 UTCEPSS rescore
  11. 2026-09-07 16:00 UTCEPSS rescore
  12. 2026-09-06 13:46 UTCEPSS rescore
  13. 2026-09-04 13:59 UTCEPSS rescore
  14. 2026-09-04 05:05 UTCEPSS rescore
  15. 2026-09-02 14:10 UTCEPSS rescore
  16. 2026-09-01 13:52 UTCEPSS rescore
  17. 2026-09-01 04:38 UTCEPSS rescore
  18. 2026-08-30 19:16 UTCEPSS rescore
  19. 2026-08-30 01:21 UTCEPSS rescore
  20. 2026-08-28 21:40 UTCEPSS rescore
  21. 2026-08-27 14:24 UTCEPSS rescore
  22. 2026-08-26 14:45 UTCEPSS rescore
  23. 2026-08-25 13:47 UTCEPSS rescore
  24. 2026-08-24 14:15 UTCEPSS rescore
  25. 2026-08-23 00:18 UTCEPSS rescore
Show 54 more
  1. 2026-08-21 23:48 UTCEPSS rescore
  2. 2026-08-20 22:54 UTCEPSS rescore
  3. 2026-08-19 17:02 UTCEPSS rescore
  4. 2026-08-18 13:47 UTCEPSS rescore
  5. 2026-08-17 13:46 UTCEPSS rescore
  6. 2026-08-16 14:55 UTCEPSS rescore
  7. 2026-08-16 10:46 UTCEG score recompute
  8. 2026-08-16 10:46 UTCGHSA enrichment
  9. 2026-08-16 02:13 UTCEPSS rescore
  10. 2026-08-16 02:13 UTCEPSS rescore
  11. 2026-08-15 01:29 UTCEPSS rescore
  12. 2026-08-14 19:45 UTCGHSA enrichment
  13. 2026-08-14 06:57 UTCEG score recompute
  14. 2026-08-14 06:57 UTCGHSA enrichment
  15. 2026-08-13 21:59 UTCEPSS rescore
  16. 2026-08-12 21:40 UTCEG score recompute
  17. 2026-08-12 21:40 UTCGHSA enrichment
  18. 2026-08-12 13:49 UTCEPSS rescore
  19. 2026-08-11 21:13 UTCEG score recompute
  20. 2026-08-11 21:13 UTCGHSA enrichment
  21. 2026-08-11 13:41 UTCEPSS rescore
  22. 2026-08-11 04:17 UTCEG score recompute
  23. 2026-08-11 04:17 UTCGHSA enrichment
  24. 2026-08-10 23:59 UTCEPSS rescore
  25. 2026-08-10 06:23 UTCGHSA enrichment
  26. 2026-08-09 18:19 UTCEG score recompute
  27. 2026-08-09 18:19 UTCGHSA enrichment
  28. 2026-08-09 13:45 UTCEPSS rescore
  29. 2026-08-09 06:33 UTCEG score recompute
  30. 2026-08-09 06:33 UTCGHSA enrichment
  31. 2026-08-08 04:40 UTCGHSA enrichment
  32. 2026-08-07 16:55 UTCEG score recompute
  33. 2026-08-07 16:55 UTCGHSA enrichment
  34. 2026-08-07 16:26 UTCEPSS rescore
  35. 2026-08-06 19:12 UTCEG score recompute
  36. 2026-08-06 19:12 UTCGHSA enrichment
  37. 2026-08-06 13:45 UTCEPSS rescore
  38. 2026-08-06 01:17 UTCEG score recompute
  39. 2026-08-06 01:17 UTCGHSA enrichment
  40. 2026-08-05 19:16 UTCEPSS rescore
  41. 2026-08-04 15:09 UTCEPSS rescore
  42. 2026-08-04 10:37 UTCEPSS rescore
  43. 2026-08-04 00:00 UTCEG score recompute
  44. 2026-08-04 00:00 UTCGHSA enrichment
  45. 2026-08-03 10:35 UTCEPSS rescore
  46. 2026-08-02 15:54 UTCEG score recompute
  47. 2026-08-02 15:54 UTCGHSA enrichment
  48. 2026-08-02 02:25 UTCEPSS rescore
  49. 2026-08-01 04:14 UTCEPSS rescore
  50. 2026-07-30 16:26 UTCEPSS rescore
  51. 2026-07-30 01:29 UTCEPSS rescore
  52. 2026-07-28 15:35 UTCEPSS rescore
  53. 2026-07-27 14:32 UTCEG score recompute
  54. 2026-07-27 14:32 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2025-15517?
CVE-2025-15517 is a high vulnerability published on March 23, 2026. 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…
When was CVE-2025-15517 disclosed?
CVE-2025-15517 was first published in the National Vulnerability Database on March 23, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-15517 actively exploited?
CVE-2025-15517 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3% probability of exploitation in the next 30 days, which ranks it in the top 13.4% of all scored CVEs.
What is the CVSS score of CVE-2025-15517?
CVE-2025-15517 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2025-15517?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-15517, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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