What’s Vulnerable › Vulnerabilities

CVE-2026-76133: Ebyte NA111-M Use of a Broken or Risky Cryptographic Algorithm

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-31 · updated 2026-09-01
• Weakness: CWE-327

Description

The affected Ebyte product uses a deprecated hashing algorithm in an authentication-related operation. Under conditions where an attacker can manipulate or predict the authentication exchange, the weak construction may reduce the assurance provided by the authentication mechanism and facilitate unauthorized access.

Affected products

• Ebyte NA111-M Firmware: 9013-2-17

References

• https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-237-06.json
• https://www.cisa.gov/news-events/ics-advisories/icsa-26-237-06

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