Denial of Service Vulnerability in Gallagher T-Series Reader
CVE-2025-44003

4.3MEDIUM

Key Information:

Vendor

Gallagher

Status
T-series Readers
Vendor
CVE Published:
10 July 2025

What is CVE-2025-44003?

A vulnerability in Gallagher's T-Series Readers allows an attacker with physical access to exploit a flaw in resource management. When using 125 kHz Card Technology, this flaw can lead to a limited denial of service. Affected versions include T-Series Readers 9.20 prior to vCR9.20.250213a, 9.10 prior to vCR9.10.250213a, 9.00 prior to vCR9.00.250619a, and all versions of 8.90 and prior.

Affected Version(s)

T-Series Readers 0 <= 8.90

T-Series Readers 9.20

T-Series Readers 9.10

References

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

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2025-44003 : Denial of Service Vulnerability in Gallagher T-Series Reader