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Fencer Intel
high 8.1

CVE-2025-15517 json

Authorization Bypass in HTTP Server Endpoints on TP-Link Archer NX200, NX210, NX500 and NX600

published 7mo ago modified 4mo ago also EUVD-2025-208937

cvss
8.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.0%
EPSS 3.0% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

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.

Patch / fix

  • TP-Link Systems Inc. Archer NX600 v3.0 1.3.0 Build 260309
  • TP-Link Systems Inc. Archer NX600 v2.0 1.3.0 Build 260311
  • TP-Link Systems Inc. Archer NX600 v1.0 1.4.0 Build 260311
  • TP-Link Systems Inc. Archer NX500 v2.0 < 1.5.0 Build 260309
  • TP-Link Systems Inc. Archer NX500 v1.0 1.3.0 Build 260311
  • TP-Link Systems Inc. Archer NX210 v3.0 1.3.0 Build 260309
  • TP-Link Systems Inc. Archer NX210 v2.0 v2.20 1.3.0 Build 260311
  • TP-Link Systems Inc. Archer NX200 v3.0 < 1.3.0 Build 260309
  • TP-Link Systems Inc. Archer NX200 v2.20 1.3.0 Build 260311
  • TP-Link Systems Inc. Archer NX200 v2.0 1.3.0 Build 260311
  • TP-Link Systems Inc. Archer NX200 v1.0 1.8.0 Build 260311

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
7mo ago

Exploit prediction

2.95% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CNA 4.0 8.6 CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
CNA 4.0 8.6 CVSS: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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD 3.1 8.1 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

  • TP-Link Systems Inc. Archer NX600 v3.0
  • TP-Link Systems Inc. Archer NX600 v2.0
  • TP-Link Systems Inc. Archer NX600 v1.0
  • TP-Link Systems Inc. Archer NX500 v2.0
  • TP-Link Systems Inc. Archer NX500 v1.0
  • TP-Link Systems Inc. Archer NX210 v3.0
  • TP-Link Systems Inc. Archer NX210 v2.0 v2.20
  • TP-Link Systems Inc. Archer NX200 v3.0
  • TP-Link Systems Inc. Archer NX200 v2.20
  • TP-Link Systems Inc. Archer NX200 v2.0
  • TP-Link Systems Inc. Archer NX200 v1.0

Classification

Weakness
  • CWE-306 Missing Authentication for Critical Functionality

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.