CVE-2025-53966: An issue was discovered in Samsung Mobile Processor Exynos 1380, 1480, 2400, and 1580. Incorrect Handling of the…

CVE-2025-53966 · Severity: high · CVSS 8.4 · Published 2026-01-05

An issue was discovered in Samsung Mobile Processor Exynos 1380, 1480, 2400, and 1580. Incorrect Handling of the NL80211 vendor command leads to a buffer overflow during handling of an IOCTL message.

Technologies: Samsung Exynos 1380, Samsung Exynos 1380 Firmware, Samsung Exynos 1480, Samsung Exynos 1480 Firmware, Samsung Exynos 1580, Samsung Exynos 1580 Firmware, Samsung Exynos 2400, Samsung Exynos 2400 Firmware. Vendors: Samsung.

Quick answers

Is CVE-2025-53966 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-53966 being exploited in the wild.
How severe is CVE-2025-53966?
High severity, with a CVSS score of 8.4, published 5 January 2026.
Which products and versions are affected?
Samsung Exynos 1380, Samsung Exynos 1380 Firmware, Samsung Exynos 1480, Samsung Exynos 1480 Firmware and 4 more. The advisory does not name versions.
Is there a fix for CVE-2025-53966?
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-2025-53966?
Check whether you run Samsung Exynos 1380, Samsung Exynos 1380 Firmware, Samsung Exynos 1480 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 1380
  • Samsung Exynos 1380 Firmware
  • Samsung Exynos 1480
  • Samsung Exynos 1480 Firmware
  • Samsung Exynos 1580
  • Samsung Exynos 1580 Firmware
  • Samsung Exynos 2400
  • Samsung Exynos 2400 Firmware

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