© 2026 vulntracker.io

CVE-2022-30114

HIGH

7.5

CVSS Score

Published: May 19, 2023 at 12:00 AM UTC

Updated: June 17, 2026 at 04:43 AM UTC

4 products affected across 1 vendorFastgate Gpon FGA2130FWB FirmwareFastgate VDSL2 DGA4131FWB FirmwareFastgate Gpon Fga2130Fwb

Using N/A by N/A?

Get instant alerts when new vulnerabilities affect N/A - before attackers find them.

Real-time alertsTrack your software stackFree plan available

Start Free Sign In

Severity

HIGH7.5

Exploit prediction

EPSS 2%

SSVC

PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Fastgate Gpon FGA2130FWB Firmware · Fastweb

95%

v < 18.3.n.0482_fw_233_fga2130

Affected range stops below 18.3.n.0482_fw_233_fga2130, so it looks safe — our inference, not a vendor statement

fastweb-fastgate-gpon-fga2130fwb (same device)

Fastgate VDSL2 DGA4131FWB Firmware · Fastweb

95%

v < 18.3.n.0482_fw_264_dga4131

Affected range stops below 18.3.n.0482_fw_264_dga4131, so it looks safe — our inference, not a vendor statement

fastweb-fastgate-vdsl2-dga4131fwb (same device)

Fastgate Gpon Fga2130Fwb · Fastwebdevice

80%

All versions

Fastgate Vdsl2 Dga4131Fwb · Fastwebdevice

80%

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

ExploitTechnical DescriptionThird Party Advisory

Source: [email protected]

https://str0ng4le.github.io/jekyll/update/2023/05/12/fastgate-bof-cve-2022-30114/

Source: [email protected]

https://www.fastweb.it/myfastweb/assistenza/guide/FASTGate/

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-787

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create account Sign in

Free plan, no card