CVE-2026-3823

Atop Technologies｜EHG2408 series switch - Stack-based Buffer Overflow

CVSS 9.3 CRITICALEPSS 0.7%CWE-121

Vexday Risk Score

28Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 9.3EPSS 0.7%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

09 Mar 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Affected products

Atop Technologies · EHG2408 Atop Technologies · EHG2408-2SFP

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References

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