CVE-2025-2764CWE-347

CarlinKit CPC200-CCPA update.cgi Improper Verification of Cryptographic Signature Code Execution Vulnerability

High · published April 23, 2025

CVSS v3.0
8.0
EPSS
0%
Percentile
15.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.0
8.0 · HIGH
Vector
CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00251 · 15.7th percentile
Weakness
CWE-347 · Improper Verification of Cryptographic Signature
Published
2025-04-23T16:48Z
EPSS history
Timeline
  • 23 APR 16:48Z
    CarlinKit CPC200-CCPA update.cgi Improper Verification of Cryptographic Signature Code Execution Vulnerability
    cvelistv5