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Fencer Vulns
low 2.4

CVE-2025-64734 json

Missing Release of Resource after Effective Lifetime (CWE-772) in the T21 Reader allows an attacker with physical access to the Reader to p…

published 2025-11-18 11 mo ago modified 2026-10-18 21 d ago also EUVD-2025-197912

cvss
2.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 6%
public exploits
0
none known

Summary

Missing Release of Resource after Effective Lifetime (CWE-772) in the T21 Reader allows an attacker with physical access to the Reader to perform a denial-of-service attack against that specific reader, preventing cardholders from badging for entry.

This issue affects Command Centre Server:

9.30 prior to vCR9.30.251028a (distributed in 9.30.2881 (MR3)), 9.20 prior to vCR9.20.251028a (distributed in 9.20.3265 (MR5)), 9.10 prior to vCR9.10.251028a (distributed in 9.10.4135 (MR8)),  all versions of 9.00 and prior.

Patch / fix

  • Gallagher T21 Reader vCR9.10.251028a, vCR9.20.251028a, vCR9.30.251028a

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
11 mo ago

Exploit prediction

0.17% chance of exploitation in the next 30 days, higher than 6% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 2.4 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected products

  • Gallagher T21 Reader

Classification

Weakness
  • CWE-772 Missing Release of Resource after Effective Lifetime

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.