CVE-2026-111281

CRITICAL 9.8

Jooan JA-A12 Unauthenticated Root RCE via SetDiagMode Hard-Coded Credentials

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

Jooan JA-A12 IP cameras with firmware 009_20171107 and 05.02.31.105 contain a remote code execution vulnerability that allows unauthenticated attackers to run root commands via hard-coded credentials. Attackers send singleCMD=SetDiagMode to /goform/SingleHandlebyCommand with an attacker-chosen authserverip and authcode, making the jooandiag daemon execute their commands through /bin/sh, giving full device control.

CWE	CWE-798
Vendor	jooan
Product	ja-a12
Published	Oct 15, 2026

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CVSS v3 Breakdown

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

Affected Versions

Jooan / JA-A12

009_20171107 05.02.31.105

References

NVD ↗ CVE.org ↗ EPSS Data ↗

rahulr.in: https://rahulr.in/reversing-a-cheap-ip-camera-to-root/ vulncheck.com: https://www.vulncheck.com/advisories/jooan-ja-a12-unauthenticated-root-rce-via-setdiagmode-hard-coded-credentials

Credits

Rahul R 🔍 Abdulrahman Aldossary 🔍 Saleh Alghamdi