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CVE-2025-52457

Quick assessment

Affected
Gallagher HBUS Devices
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Gallagher HBUS Devices是新西兰Gallagher公司的一个门禁与警报外设设备系列。 Gallagher HBUS Devices存在安全漏洞，该漏洞源于可观察的时间差异，可能导致提取设备特定密钥。

CVSS 5.7 · Medium EPSS 0.15% · P3
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I. Basic Information for CVE-2025-52457

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过时间差异性导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Gallagher HBUS Devices 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Gallagher HBUS Devices是新西兰Gallagher公司的一个门禁与警报外设设备系列。 Gallagher HBUS Devices存在安全漏洞，该漏洞源于可观察的时间差异，可能导致提取设备特定密钥。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Gallagher HBUS Devices 0 ~ 9.00 -

II. Public POCs for CVE-2025-52457

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III. Intelligence Information for CVE-2025-52457

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Same Patch Batch · Gallagher · 2025-11-18 · 3 CVEs total

CVE-2025-52578 5.7 MEDIUM Gallagher HBUS Devices 安全漏洞
CVE-2025-64734 2.4 LOW Gallagher T-Series Reader 安全漏洞

IV. Related Vulnerabilities

Same vendor: Gallagher
Same weakness: CWE-208

V. Comments for CVE-2025-52457

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