CVE-2025-52909
Buffer overflow in Samsung Exynos Wi‑Fi driver via NL80211 ioctl
Is CVE-2025-52909 being exploited?
Not confirmed. CVE-2025-52909 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 0.50% probability of exploitation in the next 30 days.
How severe is CVE-2025-52909?
CVE-2025-52909 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-2025-52909?
Yes. A fix has been recorded for CVE-2025-52909. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2025-52909 affect?
CVE-2025-52909 affects Samsung Exynos 980, Exynos 850, Exynos 1280, Exynos 1330, and 6 further products or versions. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2025-52909?
Apply OEM firmware updates when available; disable Wi‑Fi if feasible.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Kernel memory corruption via NL80211 ioctl could enable code execution or device compromise
Patch when possible