CVE advisoryCRITICAL
CVE-2026-3823
Atop EHG2408 Stack Buffer Overflow Allows Remote Code Execution.
Halo Surface Signal: 4 out of 5 — likely to be public-facing.
A stack-based buffer overflow vulnerability exists in Atop Technologies EHG2408 series switches, permitting unauthenticated remote attackers to execute arbitrary code. This could allow attackers to control program execution flow on affected devices.