by Kastro
Paper/Archive/CVE-2026-73819

CVE-2026-73819

Ebyte Ebyte NA111-M Firmware — Ebyte NA111-M Weak Authentication

EPSS 0.5%CVSS 9.8
critical.is priorityof 100
38
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 44.6.446 × 208.9No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

The affected Ebyte product's vendor configuration utility permits access to administrative functions without verifying the operator's identity under certain credential conditions. An unauthenticated attacker on the adjacent network could modify critical settings or change access credentials, potentially preventing legitimate administrators from managing the device.

Affected

ProductAffectedFixed inSource
Ebyte NA111-M Firmware9013-2-17–CNA

Scores by source

icscert (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
icscert (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refcisa.gov/news-events/ics-advisories/icsa-26-237-06refgithub.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-237-06.json