Description
An issue in the U-Boot component of GNCC GP5 v7.1.76 allows physically-proximate attackers to bypass authentication and gain root access via interrupting the boot sequence and injecting a crafted string into the kernel boot arguments.
Published: 2026-06-04
Score: 6.8 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

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 20:15:00 +0000

Type Values Removed Values Added
Title Physical proximity boot argument injection yields root access in GNCC GP5 firmware

Thu, 04 Jun 2026 18:15:00 +0000

Type Values Removed Values Added
Title Physically Proximate Attackers Bypass Authentication to Gain Root via U‑Boot Boot Argument Injection
Weaknesses CWE-640
CWE-767

Thu, 04 Jun 2026 16:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-20
CWE-288
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

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


Thu, 04 Jun 2026 16:15:00 +0000

Type Values Removed Values Added
Title Physically Proximate Attackers Bypass Authentication to Gain Root via U‑Boot Boot Argument Injection
Weaknesses CWE-640
CWE-767

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

Type Values Removed Values Added
Description An issue in the U-Boot component of GNCC GP5 v7.1.76 allows physically-proximate attackers to bypass authentication and gain root access via interrupting the boot sequence and injecting a crafted string into the kernel boot arguments.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-06-04T16:06:42.903Z

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

Link: CVE-2026-36175

cve-icon Vulnrichment

Updated: 2026-06-04T16:05:09.203Z

cve-icon NVD

Status : Deferred

Published: 2026-06-04T15:16:51.260

Modified: 2026-06-04T17:16:32.193

Link: CVE-2026-36175

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-05T10:09:28Z

Weaknesses