Answer in brief
CVE-2026-3823 records a Critical severity (CVSS 9.8) vulnerability in Atop Technologies｜EHG2408 series switch - Stack-based Buffer Overflow. The current sources do not mark it as known exploited. The current feed maps Atop Technologies/EHG2408 (generic), Atop Technologies/EHG2408-2SFP (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 9.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Atop Technologies/EHG2408 (generic), Atop Technologies/EHG2408-2SFP (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Atop Technologies/EHG2408generic | >=0 <3.36 | 3.36 |
| Atop Technologies/EHG2408-2SFPgeneric | >=0 <3.36 | 3.36 |
Published upstream
Mar 9, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 7, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 7, 2026
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.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-3823 records a Critical severity (CVSS 9.8) vulnerability in Atop Technologies｜EHG2408 series switch - Stack-based Buffer Overflow. The current sources do not mark it as known exploited. The current feed maps Atop Technologies/EHG2408 (generic), Atop Technologies/EHG2408-2SFP (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 9.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Atop Technologies/EHG2408 (generic), Atop Technologies/EHG2408-2SFP (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Atop Technologies/EHG2408generic | >=0 <3.36 | 3.36 |
| Atop Technologies/EHG2408-2SFPgeneric | >=0 <3.36 | 3.36 |
Published upstream
Mar 9, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 7, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 7, 2026
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.
Quoted source text, attributed separately from HOL analysis.