CVE-2025-64734: Gallagher T21 Reader vulnerability
Gallagher · T21 Reader
Vendor fix available · Affected: Gallagher T21 Reader · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 6% of scored CVEs
DescriptionCVE.org
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.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Gallagher · T21 Readerup to and including 9.00; from 9.30 before vCR9.30.251028a; from 9.20 before vCR9.20.251028a; from 9.10 before vCR9.10.251028a
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- Gallagher
- Published
- November 2025
CoverageNo articles yet
No CyberSIXT article names CVE-2025-64734 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.