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Medium 5.7Published Nov 17, 2025

CVE-2025-52457Observable 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.

Updated under an hour ago ()

Does this affect you?

It affects Gallagher HBUS Devices. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
5.7 MEDIUM (v3.1, CNA)CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness (CWE)
CWE-208
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Gallagher
NVD analysis
Deferred
Record last updated
Nov 19, 2025
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Gallagher HBUS Devices
gallagher:hbus_devices (from the name)
through 9.00; from 9.30 before vCR9.30.251028a; from 9.20 before vCR9.20.251028a; from 9.10 before vCR9.10.251028a
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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