CVE-2025-70327
Arg injection in TOTOLINK X5000R allows remote authenticated DoS via ping.
Is CVE-2025-70327 being exploited?
Not confirmed. CVE-2025-70327 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 0.69% probability of exploitation in the next 30 days.
How severe is CVE-2025-70327?
CVE-2025-70327 is rated Critical with a CVSS score of 9.8. 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-2025-70327?
Not known from our data. No patch reference has been recorded for CVE-2025-70327, 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-2025-70327 affect?
CVE-2025-70327 affects TOTOLINK X5000R v9.1.0cu_2415_B20250515, lighttpd on device (setDiagnosisCfg). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2025-70327?
Update firmware to fixed version; restrict admin access; monitor for ping-based DoS.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote authenticated input can inject ping options, causing DoS via resource exhaustion.
Patch when possible