CVE-2018-20122

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-02-21 · updated 2026-06-17
Weakness: CWE-78

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.

Affected products

Fastweb Fastgate Firmware: through 1.0.1b

References

http://www.horizonsecurity.it/advisories/?a=12&title=Fastweb+FastGate+router+101b+Remote+code+execution++CVE201820122
http://www.horizonsecurity.it/advisories/?a=12&title=Fastweb+FastGate+router+101b+Remote+code+execution++CVE201820122

Get alerted when CVE-2018-20122 or the next vulnerability affects your stack