CVE-2025-52457 Information disclosure in HBUS Devices
An attacker with physical access can extract device-specific keys via timing discrepancies, compromising site security in Gallagher Command Centre systems.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-52457?
CVE-2025-52457 is a medium-severity vulnerability in Gallagher HBUS Devices, published on 18 Nov 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Observable Timing Discrepancy (CWE-208) in HBUS devices may allow an attacker with physical access to the device to extract device-specific keys, potentially compromising further site security.
This issue affects Command Centre Server:
9.30 prior to vCR9.30.251028a (distributed in 9.30.2881 (MR3)), 9.20 prior to vCR9.20.251028a (distributed in 9.20.3265 (MR5)), 9.10 prior to vCR9.10.251028a (distributed in 9.10.4135 (MR8)), all versions of 9.00 and prior.
Weakness: CWE-208
Which versions are affected by CVE-2025-52457?
How do I fix CVE-2025-52457?
No fix has been published for CVE-2025-52457 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-52457 being exploited?
There is no known exploitation of CVE-2025-52457 in the wild and no public exploit code.
Sources
Also known as GHSA-46hf-65mw-6fg3.