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.
CVSS Metrics
- Vector
- 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
- Attack Vector
- adjacent
- Complexity
- low
- Privileges
- none
- User Action
- none
- Confidentiality
- undefined
- Integrity
- undefined
- Availability
- undefined
- Weaknesses
- CWE-306
Metadata
- Primary Vendor
- TP-LINK
- Published
- 3/23/2026
- Last Modified
- 3/31/2026
- Source
- NIST NVD
- Note: Verify all details with official vendor sources before applying patches.
Affected Products
tp-link : archer_nx600_firmwaretp-link : archer_nx500_firmwaretp-link : archer_nx210_firmwaretp-link : archer_nx200_firmwaretp-link : archer_nx600_firmwaretp-link : archer_nx600_firmwaretp-link : archer_nx500_firmwaretp-link : archer_nx210_firmwaretp-link : archer_nx200_firmwaretp-link : archer_nx200_firmware
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