CVE-2021-27156

Public Exploit

Description

An issue was discovered on FiberHome HG6245D devices through RP2613. The web daemon contains credentials for an ISP that equal the last part of the MAC address of the br0 interface.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.70% Top 30%
Third-Party Advisory github.io
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.html#httpd-hardcoded-credentials third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-27156?
CVE-2021-27156 has been scored as a critical severity vulnerability.
How to fix CVE-2021-27156?
To fix CVE-2021-27156, 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-2021-27156 being actively exploited in the wild?
It is possible that CVE-2021-27156 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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