CVE-2026-36175

June 4, 2026, 5:16 p.m.

6.8
Medium

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.

Product(s) Impacted

Vendor Product Versions
Gncc
  • Gncc Gp5
  • 7.1.76
U-boot
  • U-boot
  • 7.1.76

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-20
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a gncc gncc_gp5 7.1.76 / / / / / / /
a u-boot u-boot 7.1.76 / / / / / / /

References

http://gncc.com
http://gp5.com
https://github.com/BadChemical/IoT-Vulnerability-Research-Public/blob/main/GNCC-GP5-T23/README.md
https://github.com/BadChemical/IoT-Vulnerability-Research-Public/blob/main/GNCC-GP5-T23/README.md

Tags

[email protected]
CWE-20
2026-06-04
CVE-2026-36175

CVSS Score

6.8 / 10

CVSS Data - 3.1

  • Attack Vector: PHYSICAL
  • Attack Complexity: LOW
  • Privileges Required: NONE
  • Scope: UNCHANGED
  • Confidentiality Impact: HIGH
  • Integrity Impact: HIGH
  • Availability Impact: HIGH

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

    View Vector String

Timeline

Published: June 4, 2026, 3:16 p.m.
Last Modified: June 4, 2026, 5:16 p.m.

Status : Deferred

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.