CVE-2025-2764: CarlinKit CPC200-CCPA update.cgi Improper Verification of Cryptographic Signature Code Execution Vulnerability

Routine

HIGH 8.0DOWNGRADE

CVE-2025-2764 is a high-severity flaw (CVSS 8.0) affecting autokit. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.0 (High)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 83%)
CISA exploited list	No
Weakness	CWE-347
Published	2025-04-23
Last modified	2026-06-17

Publisher (CNA): Zero Day Initiative · Vendor: carlinkit

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-04-23 17:16 UTCPublished CVE record published
2026-06-17 09:07 UTCUpdated Record last modified

carlinkit autokit DOWNGRADE

Affected: 2024.01.19.1541

Fixed in: no fixed release known

Safe to downgrade to: a release before 2024.01.19.1541

1. Check installed version

apt-cache policy autokit || rpm -q autokit || autokit --version

2. No fixed release: DOWNGRADE to a release before 2024.01.19.1541 (Debian / Ubuntu)

apt-cache madison autokit sudo apt install autokit=<VERSION_BEFORE_2024.01.19.1541> sudo apt-mark hold autokit

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list autokit sudo dnf downgrade autokit-<VERSION_BEFORE_2024.01.19.1541> sudo dnf versionlock add autokit

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-2764?

autokit: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-2764 being exploited?

CVE-2025-2764 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-2764 affect?

CVE-2025-2764 affects autokit. Severity is high (CVSS 8.0). 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-CCP

How urgent is CVE-2025-2764?

Priority 32/100. High severity

Related CVEs

CVE-2025-2765 HIGH 8.8 DOWNGRADE CarlinKit CPC200-CCPA Wireless Hotspot Hard-Coded Credentials Authentication Bypass Vulnerability
CVE-2025-2763 MEDIUM 6.8 DOWNGRADE CarlinKit CPC200-CCPA Improper Verification of Cryptographic Signature Code Execution Vulnerability
CVE-2025-2762 HIGH 7.8 DOWNGRADE CarlinKit CPC200-CCPA Missing Root of Trust Local Privilege Escalation Vulnerability

References

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