Vulnerability · 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 a…
Published Mar 23, 2026 · catalog updated Jun 17, 2026 · archer nx600 firmware
Check if you run it
No confirmed exploitation is on record for CVE-2025-15517. EPSS is 2.97%. Act only if a listed version of archer nx600 firmware is installed.
Gaps on this record
- No version range is stored. A customer cannot check an installed version against this record.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- High8.6
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 2.97%
- Remediation
- Advisory link
- Affected products
- cpe tp-link/archer nx200 firmware · cpe tp-link/archer nx210 firmware · cpe tp-link/archer nx500 firmware · cpe tp-link/archer nx600 firmware
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe tp-link/archer nx200 firmwareversion unspecified
- cpe tp-link/archer nx210 firmwareversion unspecified
- cpe tp-link/archer nx500 firmwareversion unspecified
- cpe tp-link/archer nx600 firmwareversion unspecified
How to fix CVE-2025-15517
Recommended remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-15517. EPSS is 2.97%. Act only if a listed version of archer nx600 firmware is installed.
Which versions are affected?
Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-306: Missing Authentication for Critical Function. EPSS 2.97%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Mar 23, 2026 · NIST NVD
Detected
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.
Jun 17, 2026 · NIST NVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2025-15517
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-15517
30-day exploitation probability 3.0%
first.org - NIST NVDVulnerability recordCVE-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. An attacker may perform privileged HTTP actions without authentication, including firmware up
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 16, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.