Answer in brief
CVE-2026-77977 records a Unknown severity vulnerability in Ebyte NA111-M Missing Authentication for Critical Function. The current sources do not mark it as known exploited. The current feed maps Ebyte/Ebyte NA111-M Firmware (generic), Ebyte/Ebyte NE2-D11 Firmware (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. 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 Ebyte/Ebyte NA111-M Firmware (generic), Ebyte/Ebyte NE2-D11 Firmware (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Ebyte/Ebyte NA111-M Firmwaregeneric | 9013-2-17 | Not reported |
| Ebyte/Ebyte NE2-D11 Firmwaregeneric | FW-9167-0-11 | Not reported |
Published upstream
Aug 27, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 31, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 27, 2026
Ebyte gateway product's vendor configuration utility does not require authentication before allowing certain disruptive administrative actions when default credentials remain configured. An unauthenticated attacker on the adjacent network could reboot the device or restore factory settings, resulting in a loss of configuration and service availability.
Quoted source text, attributed separately from HOL analysis.