CVE-2026-36829

CRITICAL EPSS 66.1%

Published May 19, 20261mo ago · Modified Jun 17, 20262w ago

9.8 CVSS 3.1

Critical

Published May 19, 2026 1mo ago

Last Modified Jun 17, 2026 2w ago

Description

An authentication bypass vulnerability exists in the embedded HTTP server of Panabit PAP-XM320 up to and including v7.7. The server validates session cookies using a filesystem existence check based on a user-controlled cookie value without proper sanitization, allowing directory traversal and bypass of authentication.

CVSS Details

Base Score

9.8

Exploitability

3.9

Impact

5.9

Vector string

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

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope Unchanged

Confidentiality High

Integrity High

Availability High

Threat Intelligence

EPSS Exploit Probability

66.1% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 2

CWE-22 Path Traversal Resource Mgmt

CWE-287 Improper Authentication Authentication

References 2

secreu.notion.site https://secreu.notion.site/CVE-2026-36829-3652c0ab461580e19704e87b18865714
panabit.com https://www.panabit.com/

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.