How severe is CVE-2020-12124?

CVE-2020-12124 has a CVSS score of 9.8/10, rated CRITICAL. Immediate patching is strongly recommended.

Which packages are affected by CVE-2020-12124?

Affected package information for CVE-2020-12124 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2020-12124?

No fixed version has been published for CVE-2020-12124 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2020-12124 actively exploited in the wild?

No public exploit code has been indexed for CVE-2020-12124 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

What is the EPSS score for CVE-2020-12124?

CVE-2020-12124 has an EPSS (Exploit Prediction Scoring System) score of 92.3%, placing it in the 100th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

What type of vulnerability is CVE-2020-12124?

CVE-2020-12124 is classified as OS Command Injection (CWE-78). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation. This is a high-impact weakness class that often enables remote code execution or data exposure.

Which products and versions are affected by CVE-2020-12124?

CVE-2020-12124 affects wavlink wn530h4 firmware (1 version, e.g. m30h4.v5030.190403). Check the affected-products list on this page against your deployed version to confirm exposure.

Is there exploit tooling available for CVE-2020-12124?

A Nuclei detection template exists for CVE-2020-12124, meaning automated scanners can fingerprint it. Public exploit tooling significantly increases real-world risk — prioritize patching and ensure detection coverage. Exploit tooling should only ever be used in isolated, authorized testing environments.

When was CVE-2020-12124 published, and has it been updated?

CVE-2020-12124 was published on October 2, 2020 and was last updated on November 21, 2024. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CVE-2020-12124: Wn530h4 Firmware OS Command Injection (Critical…

EPSS Exploitation Probability

via FIRST.org ↗

92.3%probability of exploitation in next 30 days

Very High Risk100th percentile0.00%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Description

A remote command-line injection vulnerability in the /cgi-bin/live_api.cgi endpoint of the WAVLINK WN530H4 M30H4.V5030.190403 allows an attacker to execute arbitrary Linux commands as root without authentication.

Affected Products

1 product · 1 configurations

OS

wn530h4 firmwarewavlink

1 version

m30h4.v5030.190403

Frequently Asked Questions

A remote command-line injection vulnerability in the /cgi-bin/live_api.cgi endpoint of the WAVLINK WN530H4 M30H4.V5030.190403 allows an attacker to execute arbitrary Linux commands as root without authentication.

O3 Security · Impact-Aware SCA

Is CVE-2020-12124 in your stack?

O3 detects CVE-2020-12124 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

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