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HIGH

CVE-2019-17186

CVSS v3

8.8

HIGH

EPSS Score

5.9 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

/var/WEB-GUI/cgi-bin/telnet.cgi on FiberHome HG2201T 1.00.M5007_JS_201804 devices allows pre-authentication remote code execution.

Technical details

Published
2019-10-08

Frequently asked questions

What is CVE-2019-17186?

/var/WEB-GUI/cgi-bin/telnet.cgi on FiberHome HG2201T 1.00.M5007_JS_201804 devices allows pre-authentication remote code execution.

Is CVE-2019-17186 actively exploited?

Active exploitation of CVE-2019-17186 has not been confirmed. Its EPSS score was 5.9% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-17186?

CVE-2019-17186 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2019-17186 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

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