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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