Improper Certificate Validation in AVTECH IP Cameras and DVRs
CVE-2025-34066

8.3HIGH

Key Information:

Vendor

Avtech

Status
Ip Cameras
Dvr Devices
Nvr Devices
Vendor
CVE Published:
1 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-34066?

An improper certificate validation vulnerability has been identified in AVTECH IP cameras, DVRs, and NVRs. This issue arises from the utilization of wget with the '--no-check-certificate' option in crucial scripts such as SyncCloudAccount.sh and SyncPermit.sh. As a result, HTTPS communications are susceptible to interception by attackers, allowing for potential man-in-the-middle (MITM) attacks that can compromise sensitive data and network security.

Affected Version(s)

DVR devices 0

IP cameras 0

NVR devices 0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-34066 - Proof of Concept

CVE-2025-34066 - Proof of Concept

References

https://www.exploit-db.com/exploits/40500
exploit
https://avtech.com/
product
https://web.archive.org/web/20240810225729/https://www.se...
third-party-advisorytechnical-description

CVSS V4

Score:
8.3
Severity:
HIGH
Confidentiality:
High
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Gergely Eberhardt (SEARCH-LAB.hu)
.
CVE-2025-34066 : Improper Certificate Validation in AVTECH IP Cameras and DVRs