What is CVE-2019-9975?

CVE-2019-9975 is a high-severity vulnerability in Dasannetworks H660rm, classified under Use of Hard-coded Credentials. CVSS score: 7.5/10. Published 2019-04-11.

How severe is CVE-2019-9975?

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

Vulnerability in Dasannetworks H660rm

CVE-2019-9975

DASAN H660RM devices with firmware 1.03-0022 use a hard-coded key for logs encryption. Data stored using this key can be decrypted by anyone able to access this key.

Published 2019-04-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.013 (69.9th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 69.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Dasannetworks H660rm
Dasannetworks H660rm Firmware — versions 1.03-0022

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

seclists.org/bugtraq/2019/Mar/41 (mailing-list, Mailing List, Third Party Advisory)
packetstormsecurity.com/files/152232/DASAN-H660RM-Information-Disclosure-Hardco… (VDB Entry, Third Party Advisory)
blog.burghardt.pl/2019/03/syslog_tool-cgi-on-dasan-h660rm-devices-with-firmware… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-9975?: CVE-2019-9975 is a high-severity vulnerability in Dasannetworks H660rm, classified under Use of Hard-coded Credentials. CVSS score: 7.5/10. Published 2019-04-11.
How severe is CVE-2019-9975?: High severity. CVSS v3 base score is 7.5 out of 10.