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Jwt Attack CVE-2025-2763

MEDIUM
Improper Verification of Cryptographic Signature (CWE-347)
2025-04-23 zdi-disclosures@trendmicro.com
6.8
CVSS 3.0
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CVSS VectorNVD

CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Physical
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 18:38 vuln.today
CVE Published
Apr 23, 2025 - 17:16 nvd
MEDIUM 6.8

DescriptionNVD

CarlinKit CPC200-CCPA Improper Verification of Cryptographic Signature Code Execution Vulnerability. This vulnerability allows physically present attackers to execute arbitrary code on affected installations of CarlinKit CPC200-CCPA devices. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the handling of update packages on USB drives. The issue results from the lack of proper verification of a cryptographic signature. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-24356.

AnalysisAI

CarlinKit CPC200-CCPA Improper Verification of Cryptographic Signature Code Execution Vulnerability. Rated medium severity (CVSS 6.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-347. CarlinKit CPC200-CCPA Improper Verification of Cryptographic Signature Code Execution Vulnerability. This vulnerability allows physically present attackers to execute arbitrary code on affected installations of CarlinKit CPC200-CCPA devices. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of update packages on USB drives. The issue results from the lack of proper verification of a cryptographic signature. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-24356. Affected products include: Carlinkit Autokit.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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CVE-2025-2763 vulnerability details – vuln.today

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