9.8
CRITICAL CVSS 3.1
CVE-2026-36829
Panabit PAP-XM320 Authentication Bypass Vulnerability
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.

INFO

Published Date :

May 19, 2026, 5:16 p.m.

Last Modified :

May 19, 2026, 6:16 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-36829 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 CRITICAL 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Update the Panabit PAP-XM320 to a version that addresses the authentication bypass vulnerability.
  • Update the Panabit PAP-XM320 to the latest version.
  • Apply vendor patches to fix session validation.
  • Restrict access to the HTTP server.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-36829.

URL Resource
https://secreu.notion.site/CVE-2026-36829-3652c0ab461580e19704e87b18865714
https://www.panabit.com/
https://secreu.notion.site/CVE-2026-36829-3652c0ab461580e19704e87b18865714
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-36829 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-36829 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-36829 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    May. 19, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-287
    Added CWE CWE-22
    Added Reference https://secreu.notion.site/CVE-2026-36829-3652c0ab461580e19704e87b18865714
  • New CVE Received by [email protected]

    May. 19, 2026

    Action Type Old Value New Value
    Added 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.
    Added Reference https://secreu.notion.site/CVE-2026-36829-3652c0ab461580e19704e87b18865714
    Added Reference https://www.panabit.com/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.