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IoT

CVE-2026-44094

8.3
High
EPSS 0.26%Patch availableJul 30, 2026

Remote attacker forces firmware fallback enabling SSH access with default credentials.

common questions

Is CVE-2026-44094 being exploited?

Not confirmed. CVE-2026-44094 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 0.26% probability of exploitation in the next 30 days.

How severe is CVE-2026-44094?

CVE-2026-44094 is rated High with a CVSS score of 8.3. 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-2026-44094?

Yes. A fix has been recorded for CVE-2026-44094. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.

What does CVE-2026-44094 affect?

CVE-2026-44094 affects Embedded devices with dual-partition firmware, IoT devices using firmware fallback, Devices exposing SSH. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

What should I do about CVE-2026-44094?

Isolate affected devices, disable or restrict SSH, restrict network access, apply vendor firmware updates when released.

Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.

executive summary
technical analysis
affected
Embedded devices with dual-partition firmwareIoT devices using firmware fallbackDevices exposing SSH
impact

Remote unauthenticated attacker can force firmware fallback, gain SSH as 'user-app', interrupt charging, enable lateral movement/persistence.

action required

Immediate action required

affected versions
Phoenix Contact CHARX SEC-3000
  • affected>= 1.0.0 and < 1.9.1
Phoenix Contact CHARX SEC-3050
  • affected>= 1.0.0 and < 1.9.1
Phoenix Contact CHARX SEC-3100
  • affected>= 1.0.0 and < 1.9.1
Phoenix Contact CHARX SEC-3150
  • affected>= 1.0.0 and < 1.9.1

As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.

how to fix
Remediation steps are tailored for users whose stack is affected. Add this technology to your stack to see the fix checklist.
references
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