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 communic

This month

CRITICAL 9.8REMOTEMITIGATE

CVE-2025-65552 is a critical-severity flaw (CVSS 9.8) affecting zx-g12 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 66%)
CISA exploited list	No
Weakness	CWE-294
Published	2026-01-12
Last modified	2026-07-05

Publisher (CNA): MITRE · Vendor: d3dsecurity

Last updated 2026-07-05 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-01-12 15:16 UTCPublished CVE record published
2026-07-05 02:17 UTCUpdated Record last modified

d3dsecurity zx-g12 firmware MITIGATE

Affected: 2.1.17

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.1.17

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-65552?

zx-g12 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-65552 being exploited?

CVE-2025-65552 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-65552 affect?

CVE-2025-65552 affects zx-g12 firmware. Severity is critical (CVSS 9.8). 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 attacke

How urgent is CVE-2025-65552?

Priority 48/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

Wi-Fi vulnerabilities

References

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