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.
https://seclists.org/bugtraq/2019/Mar/41
http://packetstormsecurity.com/files/152232/DASAN-H660RM-Information-Disclosure-Hardcoded-Key.html
https://blog.burghardt.pl/2019/03/syslog_tool-cgi-on-dasan-h660rm-devices-with-firmware-1-03-0022-uses-a-hard-coded-key-for-logs-encryption/
Source: Mitre, NVD
Published: 2019-04-11
Updated: 2026-06-17
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Severity: High
EPSS: 0.01299