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CVE-2026-3823

CVE-2026-3823

9.3

Critical

Published:9 Mar 2026

Last updated:17 Jun 2026

Source:twcert@cert.org.tw

Analyzed

Weakness (CWE)

CWE-121Stack-based Buffer Overflow
CWE-787Out-of-bounds Write

CVSS Vector

v4.0

Attack Vector: Network
Attack Complexity: Low
Attack Requirements: None
Privileges Required: None
User Interaction: None
Confidentiality (Vulnerable): High
Integrity (Vulnerable): High
Availability (Vulnerable): High
Confidentiality (Subsequent): None
Integrity (Subsequent): None
Availability (Subsequent): None

View on MITRE Find PoC on GitHub

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.

References

twcert@cert.org.tw

https://www.twcert.org.tw/en/cp-139-10753-e091e-2.html

twcert@cert.org.tw

https://www.twcert.org.tw/tw/cp-132-10752-5a4d9-1.html