CVE-2021-42912

Description

FiberHome ONU GPON AN5506-04-F RP2617 is affected by an OS command injection vulnerability. This vulnerability allows the attacker, once logged in, to send commands to the operating system as the root user via the ping diagnostic tool, bypassing the IP address field, and concatenating OS commands with a semicolon.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.23% Top 25%
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://fiberhome.com broken link
http://onu.com not applicable
https://medium.com/%40windsormoreira/fiberhome-an5506-os-command-injection-cve-2021-42912-10b64fd10ce2

Frequently Asked Questions

What is the severity of CVE-2021-42912?
CVE-2021-42912 has been scored as a high severity vulnerability.
How to fix CVE-2021-42912?
To fix CVE-2021-42912, 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-2021-42912 being actively exploited in the wild?
It is possible that CVE-2021-42912 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.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.