SB2025092427 - Multiple vulnerabilities in Viessmann Vitogate 300

Description

This security bulletin contains information about 2 vulnerabilities.

1) OS Command Injection (CVE-ID: CVE-2025-9494)

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a remote user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation. A remote administrator on the local network can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

2) Client-Side Enforcement of Server-Side Security (CVE-ID: CVE-2025-9495)

CWE-ID: CWE-602 - Client-Side Enforcement of Server-Side Security

CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to insufficient client-side validation. A remote user on the local network can modify the client-side behavior to bypass the protection mechanisms, leading to unexpected interactions between the client and server.

Remediation

Install update from vendor's website.

References

• https://www.corporate.carrier.com/product-security/advisories-resources/
• https://www.cisa.gov/news-events/ics-advisories/icsa-25-266-04
• https://https://www.corporate.carrier.com/product-security/advisories-resources/