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.
CVE-2025-15517
Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-03-23. NVD baseline CVSS 8.1; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.1
- EG Score
- 8.1(medium)
- EG Risk
- 41(Track)EG Risk 41/100SSVC: 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 computedSeverity81% × 45%Exploitation0% × 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
References (5)
- f23511db-6c3e-4e32-a477-6aa17d310630https://www.tp-link.com/en/support/download/archer-nx200/#Firmware
- f23511db-6c3e-4e32-a477-6aa17d310630https://www.tp-link.com/en/support/download/archer-nx210/#Firmware
- f23511db-6c3e-4e32-a477-6aa17d310630https://www.tp-link.com/en/support/download/archer-nx500/#Firmware
- f23511db-6c3e-4e32-a477-6aa17d310630https://www.tp-link.com/en/support/download/archer-nx600/#Firmware
- f23511db-6c3e-4e32-a477-6aa17d310630https://www.tp-link.com/us/support/faq/5027/
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 3× in last 7d / 3× 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.
- 2026-07-28 15:35 UTCEPSS rescore
- 2026-07-27 14:32 UTCEG score recompute
- 2026-07-27 14:32 UTCGHSA enrichment
Related CVEs(same CWE)
Same CWE
10 shownCWE-306
- CVE-2011-10013EG 10.0CRITICAL
- CVE-2014-125124EG 10.0CRITICAL
- CVE-2017-2637EG 10.0EPSS p91CRITICAL
- CVE-2010-5326EG 10.0 KEVEPSS p97CRITICAL
- CVE-2007-0956EG 10.0EPSS p98HIGH
- CVE-2017-12822EG 9.9CRITICAL
- CVE-2016-8355EG 9.9CRITICAL
- CVE-2012-10030EG 9.8CRITICAL
- CVE-2014-3449EG 9.8CRITICAL
- CVE-2006-0062EG 9.8CRITICAL
Frequently asked(5)
What is CVE-2025-15517?
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How do I remediate CVE-2025-15517?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2025-15517
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