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.

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.

The EPSS score is 0.00013.

Exploitation poc

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
n/a n/a affected
Version Status Constraints
n/a affected —

No data.

No data.

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Vendors Products
Gncc Subscribe
Gp5 Subscribe

Project Subscriptions

Vendors Products
Gncc Subscribe
Gp5 Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

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

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

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.

cve-icon OpenCVE Enrichment

Updated: 2026-06-08T19:00:14Z

Weaknesses