CVEs-PoC/2020/CVE-2020-15636.md

### [CVE-2020-15636](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15636)
![](https://img.shields.io/static/v1?label=Product&message=Multiple%20Routers&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-121%3A%20Stack-based%20Buffer%20Overflow&color=brighgreen)

### Description

This vulnerability allows remote attackers to execute arbitrary code on affected installations of NETGEAR R6400, R6700, R7000, R7850, R7900, R8000, RS400, and XR300 routers with firmware 1.0.4.84_10.0.58. Authentication is not required to exploit this vulnerability. The specific flaw exists within the check_ra service. A crafted raePolicyVersion in a RAE_Policy.json file can trigger an overflow of a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-9852.

### POC

#### Reference
- https://kb.netgear.com/000062128/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-R6700v3-PSV-2020-0224

#### Github
- https://github.com/rdomanski/Exploits_and_Advisories