CVE-2026-3301
OS command injection via webWlanIdx in Totolink N300RH web mgmt.
Is CVE-2026-3301 being exploited?
Not confirmed. CVE-2026-3301 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 4.0% probability of exploitation in the next 30 days.
How severe is CVE-2026-3301?
CVE-2026-3301 is rated High with a CVSS score of 8.9. 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-2026-3301?
Not known from our data. No patch reference has been recorded for CVE-2026-3301, 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-2026-3301 affect?
CVE-2026-3301 affects Totolink N300RH 6.1c.1353_B20190305. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-3301?
Update firmware when patch is released; restrict remote mgmt access.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote OS command execution via web mgmt interface; attacker can run commands and take full device control.
Immediate action required
- affected6.1c.1353_B20190305
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.