Buffer overflow in Fastweb Fastgate Gpon Fga2130fwb

CVE-2022-30114

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.

Vulnerability class: Buffer Overflow

EPSS: 0.024 (82.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-30114?
CVE-2022-30114 is a high-severity vulnerability in Fastweb Fastgate Gpon Fga2130fwb, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2023-05-19.
How severe is CVE-2022-30114?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2022-30114 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.