A vulnerability labeled as critical has been found in EFM ipTIME NAS1dual 1.5.24. This issue affects the function get_csrf_whites of the file /cgi/advanced/misc_main.cgi. Such manipulation leads to stack-based buffer overflow.

This vulnerability is uniquely identified as CVE-2026-7834. The attack can be launched remotely. Moreover, an exploit is present.

The vendor was contacted early about this disclosure but did not respond in any way.