CVE-2026-28742
Hard-coded salt enables forged signatures and impersonation on Naxclow IoT devices.
Is CVE-2026-28742 being exploited?
Not confirmed. CVE-2026-28742 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.33% probability of exploitation in the next 30 days.
How severe is CVE-2026-28742?
CVE-2026-28742 is rated Critical with a CVSS score of 9.2. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-28742?
Not known from our data. No patch reference has been recorded for CVE-2026-28742, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-28742 affect?
CVE-2026-28742 affects Naxclow devices. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-28742?
Use per-device keys, server nonces, and TLS; disable plain HTTP control-plane.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Attacker can forge valid requests over HTTP to impersonate devices/accounts and perform arbitrary operations.
Patch when possible