Ebyte NA111-M Improper Restriction of Excessive Authentication Attempts
Priority MEDIUM 44CWE-307Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-307.
Summary
The affected Ebyte device does not restrict repeated authentication attempts through rate limiting or account lockout mechanisms. This could allow an attacker to perform automated authentication attacks against deployments that rely on password based authentication.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00504 43rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-76940
- 2026-10-03 Alias added: GHSA-cw56-r7cc-wcx4
References
More Ebyte vulnerabilities
- TI-2026-53291 Ebyte NA111-M Use of GET Request Method With Sensitive Query Strings CVSS 4.0CRITICAL 9.3
- TI-2026-51301 Ebyte NA111-M Missing Authentication for Critical Function CVSS 4.0CRITICAL 9.3
- TI-2026-49868 Ebyte NA111-M Use of Client-Side Authentication CVSS 4.0CRITICAL 9.3
- TI-2026-53263 Ebyte NA111-M Use of a Broken or Risky Cryptographic Algorithm CVSS 4.0CRITICAL 9.3
- TI-2026-48951 Ebyte NA111-M Cleartext Transmission of Sensitive Information CVSS 4.0CRITICAL 9.3
- TI-2026-53750 Ebyte NE2-D11 Use of Client-Side Authentication CVSS 4.0HIGH 8.7
Sources
- CVE-2026-76940 · CVE Program
- CVE-2026-76940 · NVD
- FIRST EPSS
- GHSA-cw56-r7cc-wcx4 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences