Vulnerability · Published Nov 18, 2025 · Assigned by Gallagher

CVE-2025-52457

Medium 5.7

In plain English

A medium-severity security flaw in HBUS Devices from Gallagher. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities).

Severity (CVSS 3.1)5.7Medium
Exploit odds (30 days)0.2%top 95.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

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.

Affected products (as reported)

VendorProductVersions
Gallagher HBUS Devices 0 – through 9.009.30 – before vCR9.30.251028a9.20 – before vCR9.20.251028a9.10 – before vCR9.10.251028a

Weakness: CWE-208 · Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

References