CVE-2026-36175

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Summary

CVECVE-2026-36175
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-04 15:16:51 UTC
Updated2026-07-05 17:17:30 UTC
DescriptionAn 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.

Risk And Classification

Primary CVSS: v3.1 6.8 MEDIUM from ADP

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.000610000 probability, percentile 0.192760000 (date 2026-06-09)

Problem Types: CWE-20 | CWE-288 | n/a | CWE-20 CWE-20 Improper Input Validation | CWE-288 CWE-288 Authentication Bypass Using an Alternate Path or Channel

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED6.8MEDIUMCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary6.8MEDIUMCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Physical
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
github.com/BadChemical/IoT-Vulnerability-Research-Public/blob/main/GNCC-... 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com
gncc.com MITRE gncc.com
gp5.com MITRE gp5.com
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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