What is CVE-2018-17868?

CVE-2018-17868 is a medium-severity vulnerability in Dasan H660gw, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2018-10-01.

How severe is CVE-2018-17868?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Dasan H660gw

CVE-2018-17868

DASAN H660GW devices have Stored XSS in the Port Forwarding functionality.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-10-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (43.0th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 43.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

wojciechregula.blog/authenticated-rce-in-dasan-routers/ (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-17868?: CVE-2018-17868 is a medium-severity vulnerability in Dasan H660gw, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2018-10-01.
How severe is CVE-2018-17868?: Medium severity. CVSS v3 base score is 4.8 out of 10.