CVE-2026-36539

HIGH EPSS 27.7%

Published May 27, 20261mo ago · Modified Jun 17, 20262w ago

7.3 CVSS 3.1

High

Published May 27, 2026 1mo ago

Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score

7.3

Exploitability

3.9

Impact

3.4

Vector string

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope Unchanged

Confidentiality Low

Integrity Low

Availability Low

Threat Intelligence

EPSS Exploit Probability

27.7% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor Information Exposure

References 1

github.com https://github.com/sir3ns/cve-disclosure/blob/main/CVE-2026-36539/readme.md

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.