CVE-2019-17186

Name: CVE-2019-17186
Creator: NVD / NIST
Published: 2019-10-08T19:15:10.747+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 5.87%

Last modified Jun 17, 2026

CVE-2019-17186 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. /var/WEB-GUI/cgi-bin/telnet.cgi on FiberHome HG2201T 1.00.M5007_JS_201804 devices allows pre-authentication remote code execution.. EPSS estimates a 5.87% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

5.87%

92.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-306

Affected Software

Vendor	Product	Versions
Fiberhome	Hg2201t Firmware	hg2201t_1.00.m5007_js_201804

References

https://gist.github.com/ztz472947849/d62e7b6f4831b55c338ef22432eca06dExploit, Third Party Advisory
https://gist.github.com/ztz472947849/d62e7b6f4831b55c338ef22432eca06dExploit, Third Party Advisory

Timeline

Published: Oct 8, 2019
Last Modified: Jun 17, 2026
Status: Modified

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.

How severe is CVE-2019-17186?

CVE-2019-17186 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 5.87% probability of exploitation in the next 30 days.

How do I fix CVE-2019-17186?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-17186?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST