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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.024 (83.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- str0ng4le.github.io/jekyll/update/2023/05/12/fastgate-bof-cve-2022-30114/ (Technical Description, Exploit, Third Party Advisory)
- www.fastweb.it/myfastweb/assistenza/guide/FASTGate/
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.