CVE-2025-44003

Medium

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.

SeverityMedium
CVSS4.3
Exploit probability—
ProductT-Series Readers
PublishedJul 10, 2025
First seenJul 10, 2025
Weakness typeCWE-772CWE-772

How to fix

Update
  • Gallagher T-Series ReadersvCR9.20.250213a, vCR9.10.250213a, vCR9.00.250619a or later

Affected products

ProductAffected versionsFixed in
Gallagher T-Series Readersv ≤ 8.90, 9.20 ≤ v < vCR9.20.250213a, 9.10 ≤ v < vCR9.10.250213a, 9.00 ≤ v < vCR9.00.250619avCR9.20.250213a, vCR9.10.250213a, vCR9.00.250619a

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