CVE-2025-52909: An issue was discovered in the Wi-Fi driver in Samsung Mobile Processor and Wearable Processor Exynos 980, 850, 1280…

CVE-2025-52909 · Severity: critical · CVSS 9.8 · Published 2026-04-07

An issue was discovered in the Wi-Fi driver in Samsung Mobile Processor and Wearable Processor Exynos 980, 850, 1280, 1330, 1380, 1480, 1580, W920, W930, and W1000. Incorrect Handling of the NL80211 vendor command leads to a buffer overflow via a certain ioctl message, issue 2 of 2.

Technologies: Samsung Exynos 1280, Samsung Exynos 1280 Firmware, Samsung Exynos 1330, Samsung Exynos 1330 Firmware, Samsung Exynos 1380, Samsung Exynos 1380 Firmware, Samsung Exynos 1480, Samsung Exynos 1480 Firmware, Samsung Exynos 1580, Samsung Exynos 1580 Firmware, Samsung Exynos 850, Samsung Exynos 850 Firmware, Samsung Exynos 980, Samsung Exynos 980 Firmware, Samsung Exynos W1000, Samsung Exynos W1000 Firmware, Samsung Exynos W920, Samsung Exynos W920 Firmware, Samsung Exynos W930, Samsung Exynos W930 Firmware. Vendors: Samsung.

Quick answers

Is CVE-2025-52909 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-52909 being exploited in the wild.
How severe is CVE-2025-52909?
Critical severity, with a CVSS score of 9.8, published 7 April 2026.
Which products and versions are affected?
Samsung Exynos 1280, Samsung Exynos 1280 Firmware, Samsung Exynos 1330, Samsung Exynos 1330 Firmware and 16 more. The advisory does not name versions.
Is there a fix for CVE-2025-52909?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-52909?
Check whether you run Samsung Exynos 1280, Samsung Exynos 1280 Firmware, Samsung Exynos 1330 or one of the others listed. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Samsung Exynos 1280
  • Samsung Exynos 1280 Firmware
  • Samsung Exynos 1330
  • Samsung Exynos 1330 Firmware
  • Samsung Exynos 1380
  • Samsung Exynos 1380 Firmware
  • Samsung Exynos 1480
  • Samsung Exynos 1480 Firmware
  • Samsung Exynos 1580
  • Samsung Exynos 1580 Firmware
  • Samsung Exynos 850
  • Samsung Exynos 850 Firmware
  • Samsung Exynos 980
  • Samsung Exynos 980 Firmware
  • Samsung Exynos W1000
  • Samsung Exynos W1000 Firmware
  • Samsung Exynos W920
  • Samsung Exynos W920 Firmware
  • Samsung Exynos W930
  • Samsung Exynos W930 Firmware

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.