CVE-2026-45431
Authenticated RCE via web management interface on GX Earth ONT devices.
Is CVE-2026-45431 being exploited?
Not confirmed. CVE-2026-45431 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 0.39% probability of exploitation in the next 30 days.
How severe is CVE-2026-45431?
CVE-2026-45431 is rated High with a CVSS score of 8.7. 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-2026-45431?
Not known from our data. No patch reference has been recorded for CVE-2026-45431, 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-2026-45431 affect?
CVE-2026-45431 affects GX Earth ONT models. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-45431?
Apply firmware update when released; restrict web mgmt access.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated attacker can run arbitrary OS commands with root on the device via web UI input handling.
Patch when possible
- affectedversion E1010-1.1ASL
- affectedversion E2022 - 3.1.2A
- affectedversion E2022 - 3.1.5AV
- affectedversion E2022 - 1.1ASL
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.