CVE-2026-27843
Critical auth bypass enables config changes causing gateway DoS
Is CVE-2026-27843 being exploited?
Not confirmed. CVE-2026-27843 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 0.52% probability of exploitation in the next 30 days.
How severe is CVE-2026-27843?
CVE-2026-27843 is rated Critical. 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-2026-27843?
Not known from our data. No patch reference has been recorded for CVE-2026-27843, 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-2026-27843 affect?
CVE-2026-27843 affects SenseLive X3050 web management interface, SenseLive X3050 gateway. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-27843?
Patch firmware when available; restrict web UI access; monitor config changes
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Auth bypass lets attackers modify recovery and network settings, causing persistent lockout and total gateway DoS; RS-485 downstream affected.
Immediate action required
- affectedV1.523
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.