Date Posted: 2026/03/10

[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