What is GHSA-qj5w-m4qh-7h99?

GHSA-qj5w-m4qh-7h99 is a security advisory published by GitHub Security Advisories with High severity. Netis AC1200 Router NC21 V4.0.1.4296 exposes a CGI endpoint /cgi-bin/skk_get.cgi that returns the...

Which CVE IDs does GHSA-qj5w-m4qh-7h99 cover?

GHSA-qj5w-m4qh-7h99 covers the following CVE IDs: CVE-2026-36539. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-qj5w-m4qh-7h99?

GHSA-qj5w-m4qh-7h99 has a CVSS v3 base score of 7.3, published by GitHub Security Advisories.

GHSA-qj5w-m4qh-7h99HighCVSS 7.3

Netis AC1200 Router NC21 V4.0.1.4296 exposes a CGI endpoint /cgi-bin/skk_get.cgi that returns the...

Vendor

GitHub Security Advisories

Published

May 27, 2026

Last Modified

May 28, 2026

🔗 CVE IDs covered (1)

CVE-2026-36539 →

📋 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 (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-36539
https://github.com/sir3ns/cve-disclosure/blob/main/CVE-2026-36539/readme.md
https://github.com/advisories/GHSA-qj5w-m4qh-7h99