Answer in brief
CVE-2026-18686 records a Critical severity (CVSS 9.8) vulnerability in GL.iNet GL-MT3000 nas-web RPC Wrapper glc nas-web.add_user command injection. The current sources do not mark it as known exploited. The current feed maps GL.iNet/GL-MT3000 (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 GL.iNet/GL-MT3000 (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| GL.iNet/GL-MT3000generic | 4.4.0 || 4.4.1 || 4.4.2 || 4.4.3 || 4.4.4 || 4.4.5 | Not reported |
Published upstream
Aug 4, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 4, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 4, 2026
A vulnerability was detected in GL.iNet GL-MT3000 up to 4.4.5. The affected element is the function nas-web.add_user of the file /cgi-bin/glc of the component nas-web RPC Wrapper. Performing a manipulation results in command injection. The attack can be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure and confirmed the existence of the vulnerability.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-18686 records a Critical severity (CVSS 9.8) vulnerability in GL.iNet GL-MT3000 nas-web RPC Wrapper glc nas-web.add_user command injection. The current sources do not mark it as known exploited. The current feed maps GL.iNet/GL-MT3000 (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 GL.iNet/GL-MT3000 (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| GL.iNet/GL-MT3000generic | 4.4.0 || 4.4.1 || 4.4.2 || 4.4.3 || 4.4.4 || 4.4.5 | Not reported |
Published upstream
Aug 4, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 4, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 4, 2026
A vulnerability was detected in GL.iNet GL-MT3000 up to 4.4.5. The affected element is the function nas-web.add_user of the file /cgi-bin/glc of the component nas-web RPC Wrapper. Performing a manipulation results in command injection. The attack can be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure and confirmed the existence of the vulnerability.
Quoted source text, attributed separately from HOL analysis.