What is CVE-2018-17867?

CVE-2018-17867 is a high-severity vulnerability in Dasannetworks H660gw, classified under OS Command Injection. CVSS score: 7.2/10. Published 2018-10-01.

How severe is CVE-2018-17867?

High severity. CVSS v3 base score is 7.2 out of 10.

RCE in Dasannetworks H660gw

CVE-2018-17867

The Port Forwarding functionality on DASAN H660GW devices allows remote attackers to execute arbitrary code via shell metacharacters in the cgi-bin/adv_nat_virsvr.asp Addr parameter (aka the Local IP Address field).

Vulnerability class: Command Injection (OS Command Injection)

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

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.038 (89.6th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 89.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.038 · newest: 0.038 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

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

Frequently asked questions

What is CVE-2018-17867?: CVE-2018-17867 is a high-severity vulnerability in Dasannetworks H660gw, classified under OS Command Injection. CVSS score: 7.2/10. Published 2018-10-01.
How severe is CVE-2018-17867?: High severity. CVSS v3 base score is 7.2 out of 10.