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CVE-2025-44003

Quick assessment

Affected
Gallagher T-Series Readers
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。以下版本受到影响：9.20之前版本、9.10之前版本、9.00之前版本和8.90及之前版本。

CVSS 4.3 · Medium EPSS 0.17% · P7

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2025-44003

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 Gallagher T-Series Reader allows an attacker with physical access to the reader to perform a limited denial of service when 125 kHz Card Technology is enabled. This issue affects T-Series Readers: 9.20 prior to vCR9.20.250213a (distributed in 9.20.1827 (MR2)), 9.10 prior to vCR9.10.250213a (distributed in 9.10.2692(MR5)), 9.00 prior to vCR9.00.250619a (distributed in  vEL9.00.3371 (MR7)),  all versions of 8.90 and prior.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/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。以下版本受到影响：9.20之前版本、9.10之前版本、9.00之前版本和8.90及之前版本。
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 T-Series Readers 0 ~ 8.90 -

II. Public POCs for CVE-2025-44003

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III. Intelligence Information for CVE-2025-44003

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Same Patch Batch · Gallagher · 2025-07-10 · 3 CVEs total

CVE-2025-35983 6.5 MEDIUM Gallagher Controller 7000 信任管理问题漏洞
CVE-2025-46406 5.6 MEDIUM Gallagher Command Centre Server 安全漏洞

IV. Related Vulnerabilities

Same vendor: Gallagher
Same weakness: CWE-772

V. Comments for CVE-2025-44003

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