A lack of runtime integrity in GNCC GP5 v7.1.76 allows physically-proximate attackers to bypass file system read-only protections and modify system files and binaries for the duration of a boot session via a bind-mount attack.

Metrics

No CVSS v4.0

Attack Vector Physical

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation poc

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Gncc
  • Gp5

No data.

No data.

References
Link Providers
http://gncc.com cve-icon cve-icon
http://gp5.com cve-icon cve-icon
https://github.com/BadChemical/IoT-Vulnerability-Research-Public/blob/main/GNCC-GP5-T23/README.md cve-icon cve-icon cve-icon
History

Mon, 08 Jun 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 4.6, 'vector': 'CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

 cvssV3_1

{'score': 4.6, 'vector': 'CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N'}

Mon, 08 Jun 2026 19:15:00 +0000

Type Values Removed Values Added
Title GNCC GP5 Runtime Integrity Bypass Enables Temporary File System Tampering
Weaknesses CWE-284
CWE-784

Mon, 08 Jun 2026 17:00:00 +0000

Type Values Removed Values Added
Title Bind‑Mount Exploit Allows Temporary File Modification on GNCC GP5
Weaknesses CWE-250
CWE-284

Mon, 08 Jun 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 4.6, 'vector': 'CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Fri, 05 Jun 2026 10:45:00 +0000

Type Values Removed Values Added
First Time appeared Gncc
Gncc gp5
Vendors & Products Gncc
Gncc gp5

Thu, 04 Jun 2026 15:45:00 +0000

Type Values Removed Values Added
Title Bind‑Mount Exploit Allows Temporary File Modification on GNCC GP5
Weaknesses CWE-250
CWE-284

Thu, 04 Jun 2026 14:30:00 +0000

Type Values Removed Values Added
Description A lack of runtime integrity in GNCC GP5 v7.1.76 allows physically-proximate attackers to bypass file system read-only protections and modify system files and binaries for the duration of a boot session via a bind-mount attack.
References
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-06-04T00:00:00.000Z

Updated: 2026-06-08T19:02:46.821Z

Reserved: 2026-04-06T00:00:00.000Z

Link: CVE-2026-36180

cve-icon Vulnrichment

Updated: 2026-06-08T14:05:14.908Z

cve-icon NVD

Status : Deferred

Published: 2026-06-04T15:16:51.897

Modified: 2026-06-08T20:17:00.660

Link: CVE-2026-36180

cve-icon Redhat

No data.