CVE-2026-30704
Unprotected UART interface on WiFi Extender WDR201A.
Is CVE-2026-30704 being exploited?
Not confirmed. CVE-2026-30704 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 0.31% probability of exploitation in the next 30 days.
How severe is CVE-2026-30704?
CVE-2026-30704 is rated Critical with a CVSS score of 9.1. 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-2026-30704?
Not known from our data. No patch reference has been recorded for CVE-2026-30704, 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-2026-30704 affect?
CVE-2026-30704 affects WiFi Extender WDR201A (HW V2.1, FW LFMZX28040922V1.02). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-30704?
Secure physical access; disable/cover UART; patch when available.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Physical-access UART exposure could allow direct device control, firmware manipulation, or network compromise.
Immediate action required