CVE-2026-36539

—

CVSS 3.1

7.3 high

EPSS

<1%p29

Published

May 27, 2026 (May 27, 2026)

Modified

Jun 17, 2026

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.

Weakness: CWE-200
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

NVD CVE.org GitHub PoCs EPSS (0.4%)

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