Answer in brief
CVE-2026-19790 records a High severity (CVSS 8.8) vulnerability in Tenda G0 httpd Web Management module formSetPortMirror stack-based overflow. The current sources do not mark it as known exploited. The current feed maps Tenda/G0 (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 8.8. 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 Tenda/G0 (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Tenda/G0generic | 20260625 | Not reported |
Published upstream
Aug 14, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 14, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 14, 2026
A vulnerability was identified in Tenda G0 up to 20260625. This issue affects the function formSetPortMirror of the file /goform/module of the component httpd Web Management Interface. Such manipulation of the argument portMirrorMirroredPorts leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-19790 records a High severity (CVSS 8.8) vulnerability in Tenda G0 httpd Web Management module formSetPortMirror stack-based overflow. The current sources do not mark it as known exploited. The current feed maps Tenda/G0 (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 8.8. 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 Tenda/G0 (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Tenda/G0generic | 20260625 | Not reported |
Published upstream
Aug 14, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 14, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 14, 2026
A vulnerability was identified in Tenda G0 up to 20260625. This issue affects the function formSetPortMirror of the file /goform/module of the component httpd Web Management Interface. Such manipulation of the argument portMirrorMirroredPorts leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.
Quoted source text, attributed separately from HOL analysis.