CVE-2019-3916
CVE-2019-3916 is a high-severity vulnerability in Verizon Fios Quantum Gateway G1100 Firmware with a CVSS 3.x base score of 7.5. 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-425.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 2% (79th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-425
- Affected product: Verizon Fios Quantum Gateway G1100 Firmware
- Published:
- Last modified:
Description
Information disclosure vulnerability in Verizon Fios Quantum Gateway (G1100) firmware version 02.01.00.05 allows an remote, unauthenticated attacker to retrieve the value of the password salt by simply requesting an API URL in a web browser (e.g. /api).
Frequently asked questions
- What is CVE-2019-3916?
- Information disclosure vulnerability in Verizon Fios Quantum Gateway (G1100) firmware version 02.01.00.05 allows an remote, unauthenticated attacker to retrieve the value of the password salt by simply requesting an API URL in a web browser (e.g. /api).
- How severe is CVE-2019-3916?
- CVE-2019-3916 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2019-3916 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-3916?
- CVE-2019-3916 affects Verizon Fios Quantum Gateway G1100 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-3916?
- 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-2019-3916 published?
- CVE-2019-3916 was published on 2019-04-11 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:verizon:fios_quantum_gateway_g1100_firmware:02.01.00.05:*:*:*:*:*:*:*
More vulnerabilities in Verizon Fios Quantum Gateway G1100 Firmware
- CVE-2019-3915 — High (CVSS 7.5): Authentication Bypass by Capture-replay vulnerability in Verizon Fios Quantum Gateway (G1100) firmware version…
- CVE-2019-3914 — High (CVSS 7.2): Remote command injection vulnerability in Verizon Fios Quantum Gateway (G1100) firmware version 02.01.00.05 allows a…
All CVEs affecting Verizon Fios Quantum Gateway G1100 Firmware →
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