[Vulnerability Alert] Atop Technologies | EHG2408 Series Switches - Stack-based Buffer Overflow

• Subject Explanation: [Vulnerability Alert] Atop Technologies | EHG2408 Series Switches - Stack-based Buffer Overflow

• Content Description:
  • Forwarding Taiwan Computer Emergency Response Team / Coordination Center (TWCERT/CC) Security Alert TWCERTCC-200-202603-00000006
  • [Atop Technologies | EHG2408 Series Switches - Stack-based Buffer Overflow] (CVE-2026-3823, CVSS: 9.8) The EHG2408 series switches developed by Atop Technologies contain a Stack-based Buffer Overflow vulnerability. An unauthenticated remote attacker could control the program execution flow to execute arbitrary code.
• Impacted Platforms:
  • EHG2408/EHG2408-2SFP firmware versions prior to v3.36 (exclusive)
• Suggested Measures:
  • Please update the firmware to v3.36 and later versions
• References:
  1. https://www.twcert.org.tw/tw/cp-132-10752-5a4d9-1.html

Computer and Communication Center
Network Systems Division