syslog_tool.cgi on DASAN H660RM devices with firmware 1.03-0022 uses a hard-coded key for logs encryption

DASAN H660RM devices with firmware 1.03-0022 (and possibly other) uses a hard-coded key “dasanektks123” for logs encryption. Data stored using this key can be decrypted by anyone able to access this key.

This vulnerability was assigned CVE-2019-9975.

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