A vulnerability identified as critical has been detected in H3C Magic B1 up to 100R004. The affected element is the function
SetAPWifiorLedInfoById of the file /goform/aspForm. The manipulation of the argument param leads to buffer overflow.
This vulnerability is traded as CVE-2026-6563. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.
The vendor was contacted early about this disclosure but did not respond in any way.