SB2025052720 - Denial of service in Siemens APOGEE PXC and TALON TC Series (BACnet) Devices
Published: May 27, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Expected behavior violation (CVE-ID: CVE-2025-40555)
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the affected devices start sending unsolicited BACnet broadcast messages after processing a specific BACnet createObject request. A remote attacker on the local network can perform a denial of service (DoS) attack.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.