cve/2021/CVE-2021-40413.md

### [CVE-2021-40413](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40413)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-284%3A%20Improper%20Access%20Control&color=brighgreen)

### Description

An incorrect default permission vulnerability exists in the cgiserver.cgi cgi_check_ability functionality of reolink RLC-410W v3.0.0.136_20121102. The UpgradePrepare is the API that checks if a provided filename identifies a new version of the RLC-410W firmware. If the version is new, it would be possible, allegedly, to later on perform the Upgrade. An attacker can send an HTTP request to trigger this vulnerability.

### POC

#### Reference
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1425

#### Github
No PoCs found on GitHub currently.