CVE-2026-3823

CRITICAL EPSS 47.7%
Published Mar 9, 20263mo ago · Modified Jun 17, 20262w ago
9.3 CVSS 4.0
Critical
Find Similar
Published Mar 9, 2026 3mo ago
Last Modified Jun 17, 2026 2w ago

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 Details

Base Score
9.3
Exploitability
—
Impact
—
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
47.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-121
CWE-787 Out-of-bounds Write Memory Safety

Affected Products 4

VendorProductVersionRange
blackbeartechhiveatop_ehg2408_firmware* <3.36
blackbeartechhiveatop_ehg2408*any
blackbeartechhiveatop_ehg2408-2sfp_firmware* <3.36
blackbeartechhiveatop_ehg2408-2sfp*any

References 2

  • twcert.org.tw https://www.twcert.org.tw/en/cp-139-10753-e091e-2.html
    Third Party Advisory
  • twcert.org.tw https://www.twcert.org.tw/tw/cp-132-10752-5a4d9-1.html
    Third Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.