CVE-2025-44003

MEDIUM

4.3

CVSS Score

Published: July 10, 2025 at 03:09 AM UTC

Updated: June 17, 2026 at 09:24 AM UTC

1 product affected across 1 vendorT-Series Reader

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Severity

MEDIUM4.3

Exploit prediction

EPSS 0.2%

SSVC

No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

T-Series Reader · Gallagher

60%

v ≤ 8.909.00 ≤ v < vCR9.00.250619a9.10 ≤ v < vCR9.10.250213a9.20 ≤ v < vCR9.20.250213a9.00 9.10 9.20

Affected range stops below vCR9.00.250619a, so it looks safe — our inference, not a vendor statement

Affected range stops below vCR9.10.250213a, so it looks safe — our inference, not a vendor statement

Affected range stops below vCR9.20.250213a, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: [email protected]

https://security.gallagher.com/en-NZ/Security-Advisories/CVE-2025-44003

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMGallagher

Attack Vector: ADJACENT_NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: LOW

Vector?

Quick Info

StatusDEFERRED

CWE

CWE-772

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