CVE-2025-64734: T21 Reader 0 through 9.00, 9.30 to before vCR9.30.251028a, 9.20 to before vCR9.20.251028a, 9.10 to before…

CVE-2025-64734. CVSS 3.1 base score 2.4 (LOW, Vendor/CNA). EPSS 0.00161 (percentile 0.04822), scored 17-Oct-2026.

Affected technology

T21 Reader · 0 through 9.00, 9.30 to before vCR9.30.251028a, 9.20 to before vCR9.20.251028a, 9.10 to before vCR9.10.251028a
Gallagher

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Physical access · No privileges required · No user interaction required

What an attacker can do

The source says 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. Vendor/CNA’s CVSS 3.1 assessment (base score 2.4/10) rates confidentiality and integrity impact as none; availability impact as low.

Published 18-Oct-2026 20:24 UTC

CWE: CWE-772
CCR priority: 9.6 /100 (P5)
CVSS 3.1: 2.4 /10 · CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L · Vendor/CNA
EPSS: 0.00161 · percentile 0.04822 · 2026-10-17
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-18 20:23:06.032219+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2025-64734.html