CVE-2025-70240
Stack buffer overflow in D-Link DIR-513 enables remote code execution via WAN Wizard form.
Is CVE-2025-70240 being exploited?
Not confirmed. CVE-2025-70240 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 0.72% probability of exploitation in the next 30 days.
How severe is CVE-2025-70240?
CVE-2025-70240 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-2025-70240?
Yes. A fix has been recorded for CVE-2025-70240. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2025-70240 affect?
CVE-2025-70240 affects D-Link DIR-513 v1.10. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2025-70240?
Update firmware to latest; disable remote WAN management.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution on the router via crafted curTime input to WAN Wizard form, potentially full device takeover.
Patch when possible