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TI-2026-53748 Aliases CVE-2026-76940GHSA-cw56-r7cc-wcx4

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

VendorProductAffected versionsFixed inStatusSource
EbyteEbyte NA111-M Firmware9013-2-17—No fix listedCNA
  • Ebyte NA111-M Firmware VendorEbyte Affected 9013-2-17 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-76940
  2. 2026-10-03 Alias added: GHSA-cw56-r7cc-wcx4

References

  • 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
See all 15 →

Sources