How severe is CVE-2025-54084?

CVE-2025-54084 has a CVSS 4.0 base score of 8.5, rated high severity.

Is CVE-2025-54084 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-54084?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-54084 have an EU (EUVD) identifier?

Yes. CVE-2025-54084 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27501.

When was CVE-2025-54084 published?

CVE-2025-54084 was published on 2025-09-09 and last updated on 2026-06-17.

CVE-2025-54084

CVE-2025-54084 is a high-severity vulnerability with a CVSS 4.0 base score of 8.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 4.0 base score 8.5)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-27501
Weakness: CWE-78
Published: 2025-09-09
Last modified: 2026-06-17

Description

OS Command ('OS Command Injection') vulnerability in Calix GigaCenter ONT (Quantenna SoC modules) allows authenticated attackers with 'super' user credentials to execute arbitrary OS commands through improper input validation, potentially leading to full system compromise.This issue affects GigaCenter ONT: 844E, 844G, 844GE, 854GE.

Frequently asked questions

What is CVE-2025-54084?: OS Command ('OS Command Injection') vulnerability in Calix GigaCenter ONT (Quantenna SoC modules) allows authenticated attackers with 'super' user credentials to execute arbitrary OS commands through improper input validation, potentially leading to full system compromise.This issue affects GigaCenter ONT: 844E, 844G, 844GE, 854GE.
How severe is CVE-2025-54084?: CVE-2025-54084 has a CVSS 4.0 base score of 8.5, rated high severity.
Is CVE-2025-54084 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-54084?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-54084 have an EU (EUVD) identifier?: Yes. CVE-2025-54084 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27501.
When was CVE-2025-54084 published?: CVE-2025-54084 was published on 2025-09-09 and last updated on 2026-06-17.

References

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