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CVE-2021-42912

8.8 · HIGH

FiberHome ONU GPON AN5506-04-F RP2617 is affected by an OS command injection vulnerability.

Published Dec 16, 2021CWE-78EPSS 10.08%

Overview

CVE-2021-42912 is a high-severity vulnerability. It was published on December 16, 2021 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refmedium.com/@windsormoreira/fiberhome-an5506-os-command-injection-cve-2021-42912-10b64fd10ce2Refmedium.com/%40windsormoreira/fiberhome-an5506-os-command-injection-cve-2021-42912-10b64fd10ce2

How CyberStrike helps

Frequently asked questions

What is CVE-2021-42912?

CVE-2021-42912 is a high-severity vulnerability. It was published on December 16, 2021 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2021-42912?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2021-42912?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-42912?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-42912 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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