cve/2021/CVE-2021-20137.md

### [CVE-2021-20137](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20137)
![](https://img.shields.io/static/v1?label=Product&message=Gryphon%20Tower%20router&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Reflected%20Cross%20Site%20Scripting&color=brighgreen)

### Description

A reflected cross-site scripting vulnerability exists in the url parameter of the /cgi-bin/luci/site_access/ page on the Gryphon Tower router's web interface. An attacker could exploit this issue by tricking a user into following a specially crafted link, granting the attacker javascript execution in the context of the victim's browser.

### POC

#### Reference
- https://www.tenable.com/security/research/tra-2021-51

#### Github
- https://github.com/ARPSyndicate/kenzer-templates