What is CVE-2025-65552?

CVE-2025-65552 is a critical-severity vulnerability in D3dsecurity Zx-G12, classified under Authentication Bypass by Capture-replay. CVSS score: 9.8/10. Published 2026-01-12.

How severe is CVE-2025-65552?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in D3dsecurity Zx-G12

CVE-2025-65552

D3D Wi-Fi Home Security System ZX-G12 v2.1.1 is vulnerable to RF replay attacks on the 433 MHz sensor communication channel. The system does not implement rolling codes, message authentication, or anti-replay protection, allowing an attacker within RF range to record valid alarm/control frames and replay them to trigger false alarms.

Published 2026-01-12 · last modified 2026-07-05.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (32.0th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000

Affected products

D3dsecurity Zx-G12
D3dsecurity Zx-G12 Firmware — versions 2.1.17

Weakness classification (CWE)

CWE-294 — Authentication Bypass by Capture-replay

References

d3d.com (Not Applicable)
github.com/EmbdCDACHyd/CVE/tree/main/CVE-2025-65552 (Third Party Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (Product)

Frequently asked questions

What is CVE-2025-65552?: CVE-2025-65552 is a critical-severity vulnerability in D3dsecurity Zx-G12, classified under Authentication Bypass by Capture-replay. CVSS score: 9.8/10. Published 2026-01-12.
How severe is CVE-2025-65552?: Critical severity. CVSS v3 base score is 9.8 out of 10.