How serious is CVE-2026-3823?

This vulnerability has a CVSS score of 9.3 out of 10, classified as CRITICAL severity. Proof-of-concept exploit code is publicly available, making this an active threat.

Is there exploit code available for CVE-2026-3823?

Yes, proof-of-concept exploit code for CVE-2026-3823 is publicly available on GitHub and security research platforms. This increases the risk of active exploitation.

Which products are affected by CVE-2026-3823?

CVE-2026-3823 affects blackbeartechhive atop ehg2408 firmware. Check the full CVE details for specific version information.

How do I fix CVE-2026-3823?

To remediate CVE-2026-3823, check for security patches from blackbeartechhive. Apply all available updates and security patches. If no patch is available, implement recommended workarounds or security controls to mitigate the risk.

CVE-2026-3823

Critical

|9.3

Exploit Available

Plain English Summary

AI-powered analysis for quick understanding

This vulnerability allows unauthenticated remote attackers to take control of the switch's software and run any code they want. It requires no special access or credentials, making it particularly dangerous for networks using this firmware.

Technical 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 Vector Analysis

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

Confidentiality ImpactHigh

Integrity ImpactHigh

Availability ImpactHigh

ScopeChanged

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

Exploit Resources

Search for proof-of-concept code and exploit modules

GitHub Search Exploit-DB Nuclei Templates Metasploit Vulners

Official References

NIST NVD

Est. Bounty

$8,000($5K-$15K)

Vendor Response

Grade APatched in 1 day

Quick Information

Published

Mar 9, 2026

30 days ago

Last Modified

Mar 10, 2026

28 days ago

Vendor

blackbeartechhive

Product

atop ehg2408 firmware