Expected behavior violation in APOGEE PXC and TALON TC Series (BACnet) - CVE-2025-40555

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Main Vulnerability Database Vulnerabilities #VU109841

Expected behavior violation in APOGEE PXC and TALON TC Series (BACnet) - CVE-2025-40555

Published: May 27, 2025


Vulnerability identifier: #VU109841
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:L/E:U/U:Clear
CVE-ID: CVE-2025-40555
CWE-ID: CWE-440
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: Siemens
Affected software:
APOGEE PXC
TALON TC Series (BACnet)

Detailed vulnerability description

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.


How to mitigate CVE-2025-40555

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources