CVE-2019-3914

CVE-2019-3914 is a high-severity vulnerability in Verizon Fios Quantum Gateway G1100 Firmware with a CVSS 3.x base score of 7.2. Its EPSS exploit-prediction score of 30% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.

Key facts

Description

Remote command injection vulnerability in Verizon Fios Quantum Gateway (G1100) firmware version 02.01.00.05 allows a remote, authenticated attacker to execute arbitrary commands on the target device by adding an access control rule for a network object with a crafted hostname.

Frequently asked questions

What is CVE-2019-3914?
Remote command injection vulnerability in Verizon Fios Quantum Gateway (G1100) firmware version 02.01.00.05 allows a remote, authenticated attacker to execute arbitrary commands on the target device by adding an access control rule for a network object with a crafted hostname.
How severe is CVE-2019-3914?
CVE-2019-3914 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-3914 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 30% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-3914?
CVE-2019-3914 affects Verizon Fios Quantum Gateway G1100 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-3914?
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.
When was CVE-2019-3914 published?
CVE-2019-3914 was published on 2019-04-11 and last updated on 2026-06-17.

References

Affected products (1)

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