CVE-2025-34066 AVTECH IP camera, DVR, and NVR Devices Unauthenticated Information Disclosure

High 8.3 Published Updated

Attackers can intercept HTTPS traffic via MITM due to disabled certificate validation in AVTECH devices, exposing sensitive data.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-34066?

CVE-2025-34066 is a high-severity vulnerability in AVTECH DVR devices, published on 1 Jul 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An improper certificate validation vulnerability exists in AVTECH IP cameras, DVRs, and NVRs due to the use of wget with --no-check-certificate in scripts like SyncCloudAccount.sh and SyncPermit.sh. This exposes HTTPS communications to man-in-the-middle (MITM) attacks.

Weakness: CWE-295

Which versions are affected by CVE-2025-34066?

How do I fix CVE-2025-34066?

No fix has been published for CVE-2025-34066 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-34066 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-34066 exists.

Sources

Also known as GHSA-4cx5-3q2w-5wr7.

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