What is CVE-2019-17187?

CVE-2019-17187 is a high-severity vulnerability in Fiberhome Hg2201t, classified under Path Traversal. CVSS score: 7.5/10. Published 2019-10-08.

How severe is CVE-2019-17187?

High severity. CVSS v3 base score is 7.5 out of 10.

Path Traversal in Fiberhome Hg2201t

CVE-2019-17187

/var/WEB-GUI/cgi-bin/downloadfile.cgi on FiberHome HG2201T 1.00.M5007_JS_201804 devices allows pre-authentication Directory Traversal for reading arbitrary files.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2019-10-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.108 (95.7th percentile), scored 2026-09-30.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.108 · newest: 0.108 · change: 0.000

Affected products

Fiberhome Hg2201t
Fiberhome Hg2201t Firmware — versions 1.00.m5007_js_201804

Weakness classification (CWE)

CWE-22 — Path Traversal

References

gist.github.com/ztz472947849/d62e7b6f4831b55c338ef22432eca06d (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-17187?: CVE-2019-17187 is a high-severity vulnerability in Fiberhome Hg2201t, classified under Path Traversal. CVSS score: 7.5/10. Published 2019-10-08.
How severe is CVE-2019-17187?: High severity. CVSS v3 base score is 7.5 out of 10.