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HIGH · 8.8

CVE-2026-3823

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 arbi...

Vulnerability Description

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.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
BlackbeartechhiveAtop Ehg2408 Firmware< 3.36
BlackbeartechhiveAtop Ehg2408-
BlackbeartechhiveAtop Ehg2408-2Sfp Firmware< 3.36
BlackbeartechhiveAtop Ehg2408-2Sfp-

Related Weaknesses (CWE)

CWE-121CWE-787

References

FAQ

What is CVE-2026-3823?

CVE-2026-3823 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 arbi...

How severe is CVE-2026-3823?

CVE-2026-3823 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-3823?

Check the references section above for vendor advisories and patch information. Affected products include: Blackbeartechhive Atop Ehg2408 Firmware, Blackbeartechhive Atop Ehg2408, Blackbeartechhive Atop Ehg2408-2Sfp Firmware, Blackbeartechhive Atop Ehg2408-2Sfp.