CVE-2021-43118

Public Exploit

Description

A Remote Command Injection vulnerability exists in DrayTek Vigor 2960 1.5.1.3, DrayTek Vigor 3900 1.5.1.3, and DrayTek Vigor 300B 1.5.1.3 via a crafted HTTP message containing malformed QUERY STRING in mainfunction.cgi, which could let a remote malicious user execute arbitrary code.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 46.15% Top 5%
Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://gist.github.com/Cossack9989/6034c077f46e4f06d0992e9f2fae7f26 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-43118?
CVE-2021-43118 has been scored as a critical severity vulnerability.
How to fix CVE-2021-43118?
To fix CVE-2021-43118, 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-2021-43118 being actively exploited in the wild?
It is possible that CVE-2021-43118 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~46% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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