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HIGH

CVE-2019-18661

CVSS v3

7.5

HIGH

EPSS Score

1.5 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

Fastweb FASTGate 1.0.1b devices allow partial authentication bypass by changing a certain check_pwd return value from 0 to 1. An attack does not achieve administrative control of a device; however, the attacker can view all of the web pages of the administration console.

Technical details

Published
2019-11-02

Frequently asked questions

What is CVE-2019-18661?

Fastweb FASTGate 1.0.1b devices allow partial authentication bypass by changing a certain check_pwd return value from 0 to 1. An attack does not achieve administrative control of a device; however, the attacker can view all of the web pages of the administration console.

Is CVE-2019-18661 actively exploited?

Active exploitation of CVE-2019-18661 has not been confirmed. Its EPSS score was 1.5% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-18661?

CVE-2019-18661 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2019-18661 affecting your environment?

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