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CRITICAL

CVE-2018-18871

CVSS v3

9.8

CRITICAL

EPSS Score

1.7 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

Missing password verification in the web interface on Gigaset Maxwell Basic VoIP phones with firmware 2.22.7 would allow a remote attacker (in the same network as the device) to change the admin password without authentication (and without knowing the original password).

Technical details

Published
2018-12-20

Frequently asked questions

What is CVE-2018-18871?

Missing password verification in the web interface on Gigaset Maxwell Basic VoIP phones with firmware 2.22.7 would allow a remote attacker (in the same network as the device) to change the admin password without authentication (and without knowing the original password).

Is CVE-2018-18871 actively exploited?

Active exploitation of CVE-2018-18871 has not been confirmed. Its EPSS score was 1.7% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-18871?

CVE-2018-18871 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2018-18871 affecting your environment?

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