Vulnerability in Carlinkit Autokit
CVE-2025-2764
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.
EPSS: 0.002 (15.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.0 (High). Vector: CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Carlinkit Autokit — versions 2024.01.19.1541
- Carlinkit Cpc200-ccpa — versions 2024.01.19.1541
Weakness classification (CWE)
References
- zdi-disclosures@trendmicro.com (x_research-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-2764?
- CVE-2025-2764 is a high-severity vulnerability in Carlinkit Autokit, classified under Improper Verification of Cryptographic Signature. CVSS score: 8.0/10. Published 2025-04-23.
- How severe is CVE-2025-2764?
- High severity. CVSS v3 base score is 8.0 out of 10.