CVE-2026-3823 CRITICAL

CVE-2026-3823: Atop Technologies|EHG2408 series switch - Stack-based Buffer Overflow

Vendor Atop Technologies
Product EHG2408
Weakness CWE-121
Published March 9, 2026
Last update March 9, 2026

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

EHG2408 series switch developed by Atop Technologies has a Stack-based Buffer Overflow vulnerability, allowing unauthenticated remote attackers to control the program's execution flow and execute arbitrary code.

Key dates

02Disclosure timeline

March 9, 2026 CVE published
March 9, 2026 Record updated