Astak CM-818T3 Unauth Config Disclosure via backup.cgi
CVE-2020-36873 Published on November 26, 2025

Astak CM-818T3 Unauthenticated Configuration Disclosure
Astak CM-818T3 2.4GHz wireless security surveillance cameras contain an unauthenticated configuration disclosure vulnerability in the /web/cgi-bin/hi3510/backup.cgi endpoint. The endpoint permits remote download of a compressed configuration backup without requiring authentication or authorization. The exposed backup may include administrative credentials and other sensitive device settings, enabling an unauthenticated remote attacker to obtain information that could facilitate further compromise of the camera or connected network.

NVD

Vulnerability Analysis

CVE-2020-36873 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. An automatable proof of concept (POC) exploit exists. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE

Timeline

Exploit is publicly disclosed

Weakness Type

Missing Authentication for Critical Function

The software does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.


Products Associated with CVE-2020-36873

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QNAP Surveillance Station
 

Affected Versions

Astak CM-818T3 2.4GHz Wireless Security Surveillance Camera Version 0 is affected by CVE-2020-36873

Exploit Probability

EPSS
0.61%
Percentile
45.60%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.