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CVE-2025-64734

Quick assessment

Affected
Gallagher T21 Reader
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 T-Series Reader是新西兰Gallagher公司的一个门禁控制系统中的读卡器。 Gallagher T-Series Reader存在安全漏洞，该漏洞源于资源释放不当，可能导致拒绝服务攻击。

CVSS 2.4 · Low EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2025-64734

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Missing Release of Resource after Effective Lifetime (CWE-772) in the T21 Reader allows an attacker with physical access to the Reader to perform a denial-of-service attack against that specific reader, preventing cardholders from badging for entry. 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:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对已超过有效生命周期的资源丧失索引
Source: CVE Program / CVE List V5
Vulnerability Title
Gallagher T-Series Reader 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Gallagher T-Series Reader是新西兰Gallagher公司的一个门禁控制系统中的读卡器。 Gallagher T-Series Reader存在安全漏洞，该漏洞源于资源释放不当，可能导致拒绝服务攻击。
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 T21 Reader 0 ~ 9.00 -

II. Public POCs for CVE-2025-64734

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III. Intelligence Information for CVE-2025-64734

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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-2025-52457 5.7 MEDIUM Gallagher HBUS Devices 安全漏洞

IV. Related Vulnerabilities

Same vendor: Gallagher
Same weakness: CWE-772

V. Comments for CVE-2025-64734

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