SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-20122

The web interface on FASTGate Fastweb devices with firmware through 0.00.47_FW_200_Askey 2017-05-17 (software through 1.0.1b) exposed a CGI binary that is vulnerable to a command injection vulnerability that can be exploited to achieve remote code…

CRITICAL 9.8EPSS 4.82%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (4.82%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

The web interface on FASTGate Fastweb devices with firmware through 0.00.47_FW_200_Askey 2017-05-17 (software through 1.0.1b) exposed a CGI binary that is vulnerable to a command injection vulnerability that can be exploited to achieve remote code execution with root privileges. No authentication is required in order to trigger the vulnerability.

CVSS 3.0
9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
4.82% probability · 92th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-78
Affected
fastweb/fastgate firmware
Source
cve@mitre.org
EPSS trend
0%3%5%27 October 2026: 4.82%27 October 202627 October 2026

EPSS 4.8% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.