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CVE-2025-44003

Missing Release of Resource after Effective Lifetime (CWE-772) in the Gallagher T-Series Reader allows an attacker with physical access to…

Medium4.3EPSS 0.20%
Published
Updated
Reserved
Assigned by
Gallagher

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.

Timeline

  1. ID reserved

    By Gallagher

  2. · 23 days later

    Published

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2025-44003, by who scored it
Scored byCVSSScoreVector
GallagherCNA (assigner)3.1Medium4.3CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVDNVD · Deferred3.1Medium4.3CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS (exploitation in 30 days)
0.20% · top 90% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.

Weakness

Affected products

  • Gallagher · T-Series Readers

    • affected ≤ 8.90
    • affected 9.20 – < vCR9.20.250213a
    • affected 9.10 – < vCR9.10.250213a
    • affected 9.00 – < vCR9.00.250619a

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .