Is CVE-2022-30114 in the CISA KEV catalog?

No. CVE-2022-30114 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-30114?

CVE-2022-30114 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2022-30114?

CVE-2022-30114 has an EPSS score of 2.40% (82th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-30114?

Upgrade fastgate gpon fga2130fwb firmware to 18.3.n.0482_fw_233_fga2130 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2022-30114

HIGHEPSS 82th pctl

7.5

CVSS v3

NVD

Description

A heap-based buffer overflow in a network service in Fastweb FASTGate MediaAccess FGA2130FWB, firmware version 18.3.n.0482_FW_230_FGA2130, and DGA4131FWB, firmware version up to 18.3.n.0462_FW_261_DGA4131, allows a remote attacker to reboot the device through a crafted HTTP request, causing DoS.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

fastgate gpon fga2130fwb firmwareNVD

Affected:< 18.3.n.0482_fw_233_fga2130Fixed in:18.3.n.0482_fw_233_fga2130CVE-2022-30114derived from NVD

fastgate vdsl2 dga4131fwb firmwareNVD

Affected:< 18.3.n.0482_fw_264_dga4131Fixed in:18.3.n.0482_fw_264_dga4131CVE-2022-30114derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

2.40%probability of exploitation in 30 days

82ndpercentile

Elevated risk: more likely to be exploited than 82% of all known CVEs.

References

Exploit1

str0ng4le.github.io

Other references1

fastweb.it

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-01-21.