CVE-2025-2764 — HIGH (8.0) — White Hats Nepal

Vulnerability Description

CarlinKit CPC200-CCPA update.cgi Improper Verification of Cryptographic Signature Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of CarlinKit CPC200-CCPA devices. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the handling of update packages provided to update.cgi. 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-24355.

CVSS Score

8.0

HIGH

CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Carlinkit	Autokit	2024.01.19.1541
Carlinkit	Cpc200-Ccpa	-

Related Weaknesses (CWE)

CWE-347

References

https://www.zerodayinitiative.com/advisories/ZDI-25-178/Third Party Advisory

FAQ

What is CVE-2025-2764?

CVE-2025-2764 is a vulnerability with a CVSS score of 8.0 (HIGH). CarlinKit CPC200-CCPA update.cgi Improper Verification of Cryptographic Signature Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affect...

How severe is CVE-2025-2764?

CVE-2025-2764 has been rated HIGH with a CVSS base score of 8.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-2764?

Check the references section above for vendor advisories and patch information. Affected products include: Carlinkit Autokit, Carlinkit Cpc200-Ccpa.