Unauthenticated Configuration Disclosure in Astak Security Cameras
CVE-2020-36873

8.7HIGH

Key Information:

Vendor

Astak

Status
Cm-818t3 2.4ghz Wireless Security Surveillance Camera
Vendor
CVE Published:
26 November 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-36873?

Astak CM-818T3 2.4GHz wireless security surveillance cameras have a vulnerability that allows remote attackers to access sensitive configuration files via the /web/cgi-bin/hi3510/backup.cgi endpoint without requiring authentication. This exploit enables unauthorized users to download a configuration backup, potentially revealing administrative credentials and critical settings. Such information can lead to further attacks on the device or the broader connected network, raising significant concerns about user privacy and security.

Affected Version(s)

CM-818T3 2.4GHz Wireless Security Surveillance Camera 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-2020-36873 - Proof of Concept

References

https://packetstorm.news/files/id/156532/
exploit
https://www.vulncheck.com/advisories/astak-cm818t3-unauth...
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Todor Donev
JSON
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CVE-2020-36873 : Unauthenticated Configuration Disclosure in Astak Security Cameras