CVE-2021-20121

Public Exploit

Description

The Telus Wi-Fi Hub (PRV65B444A-S-TS) with firmware version 3.00.20 is vulnerable to an authenticated arbitrary file read. An authenticated user with physical access to the device can read arbitrary files from the device by preparing and connecting a specially prepared USB drive to the device, and making a series of crafted requests to the device's web interface.

4.0

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.06%

Third-Party Advisory tenable.com

Affected: n/a Telus Wi-Fi Hub (PRV65B444A-S-TS)

References

Link	Tags
https://www.tenable.com/security/research/tra-2021-41	third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-20121?: CVE-2021-20121 has been scored as a medium severity vulnerability.
How to fix CVE-2021-20121?: To fix CVE-2021-20121, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-20121 being actively exploited in the wild?: It is possible that CVE-2021-20121 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20121?: CVE-2021-20121 affects n/a Telus Wi-Fi Hub (PRV65B444A-S-TS).

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