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Critical 9.8Published Mar 9, 2026

CVE-2026-3823EHG2408 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 arb…

Updated under an hour ago ()

Does this affect you?

It affects blackbeartechhive atop_ehg2408_firmware and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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
9.8 CRITICAL (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-121, CWE-787
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Not given
NVD analysis
Modified
Record last updated
Jul 7, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
blackbeartechhive atop_ehg2408_firmware
blackbeartechhive:atop_ehg2408_firmware
before 3.36
NVD
blackbeartechhive atop_ehg2408-2sfp_firmware
blackbeartechhive:atop_ehg2408-2sfp_firmware
before 3.36
NVD

References

  • third-party-advisory
  • third-party-advisory

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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