CVE-2025-27807: An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100…
CVE-2025-27807 · Severity: critical · CVSS 9.1 · Published 2026-01-05
An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 9110, W920, W930, W1000, Modem 5123, Modem 5300, Modem 5400. The lack of a length check leads to out-of-bounds writes via malformed NAS packets.
No. Junglewise Threat Intelligence has no report of CVE-2025-27807 being exploited in the wild.
How severe is CVE-2025-27807?
Critical severity, with a CVSS score of 9.1, published 5 January 2026.
Which products and versions are affected?
Samsung Exynos 1080, Samsung Exynos 1080 Firmware, Samsung Exynos 1280, Samsung Exynos 1280 Firmware and 34 more. The advisory does not name versions.
Is there a fix for CVE-2025-27807?
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-2025-27807?
Check whether you run Samsung Exynos 1080, Samsung Exynos 1080 Firmware, Samsung Exynos 1280 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.