Netis AC1200 Router NC21 V4.0.1.4296 exposes a CGI endpoint /cgi-bin/skk_get.cgi that returns the entire router configuration as a JSON response with no authentication required. Any attacker on the LAN can send a single HTTP GET request and instantly retrieve administrator credentials, WiFi passwords, PPPoE credentials, DDNS credentials, and a full map of all connected devices.
History

Sat, 30 May 2026 23:00:00 +0000

Type Values Removed Values Added
First Time appeared Netis
Netis ac1200 Router
Vendors & Products Netis
Netis ac1200 Router

Thu, 28 May 2026 17:15:00 +0000

Type Values Removed Values Added
Title Unauthorized Retrieval of Router Configuration via Unprotected CGI Endpoint

Thu, 28 May 2026 14:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 27 May 2026 17:15:00 +0000

Type Values Removed Values Added
Title Unauthorized Retrieval of Router Configuration via Unprotected CGI Endpoint
Weaknesses CWE-200

Wed, 27 May 2026 14:15:00 +0000

Type Values Removed Values Added
Description Netis AC1200 Router NC21 V4.0.1.4296 exposes a CGI endpoint /cgi-bin/skk_get.cgi that returns the entire router configuration as a JSON response with no authentication required. Any attacker on the LAN can send a single HTTP GET request and instantly retrieve administrator credentials, WiFi passwords, PPPoE credentials, DDNS credentials, and a full map of all connected devices.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-05-27T00:00:00.000Z

Updated: 2026-05-28T13:36:27.542Z

Reserved: 2026-04-06T00:00:00.000Z

Link: CVE-2026-36539

cve-icon Vulnrichment

Updated: 2026-05-28T13:36:22.583Z

cve-icon NVD

Status : Deferred

Published: 2026-05-27T14:16:45.527

Modified: 2026-05-28T14:16:19.007

Link: CVE-2026-36539

cve-icon Redhat

No data.