PatchSiren

PatchSiren cyber security CVE debrief

CVE-2025-54324 Samsung CVE debrief

CVE-2025-54324 is a high-severity vulnerability in various Samsung Exynos chipsets, including those used in mobile devices, wearables, and modems. The issue arises from incorrect handling of a DL NAS Transport packet, which can lead to a denial-of-service (DoS) condition. The vulnerability affects multiple Samsung Exynos chipsets, including Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, 9110, W920, W930, W1000, Modem 5123, Modem 5300, and Modem 5400. Organizations and individuals using Samsung devices with affected Exynos chipsets should prioritize patching this vulnerability to prevent potential service disruptions.

Vendor
Samsung
Product
Exynos chipset
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-06
Original CVE updated
2026-07-20
Advisory published
2026-04-06
Advisory updated
2026-07-20

Who should care

Organizations and individuals using Samsung devices with affected Exynos chipsets, such as mobile devices, wearables, and modems, should prioritize patching this vulnerability to prevent potential service disruptions. This includes operators, platform administrators, vulnerability management teams, and security teams who need to assess the risk and implement necessary mitigations.

Technical summary

The vulnerability, CVE-2025-54324, affects multiple Samsung Exynos chipsets, including Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, 9110, W920, W930, W1000, Modem 5123, Modem 5300, and Modem 5400. The issue is caused by incorrect handling of DL NAS Transport packets, leading to a denial-of-service (DoS) condition. The CVSS score for this vulnerability is 7.5, indicating a high severity level. Affected products and components include mobile devices, wearables, and modems that use these chipsets.

Defensive priority

High

Recommended defensive actions

  • Apply patches or updates provided by Samsung for affected devices and chipsets.
  • Inventory affected devices and prioritize patching based on criticality and exposure.
  • Implement compensating controls, such as network monitoring, to detect potential exploitation attempts.
  • Consider temporarily disabling affected services or implementing workarounds if patches are not yet available.
  • Review and update incident response plans to address potential exploitation of this vulnerability.
  • Conduct a thorough risk assessment to identify potential vulnerabilities and prioritize mitigation efforts.
  • Monitor for indicators of compromise and implement additional security controls as needed.

Evidence notes

The CVE record was published on 2026-04-06T19:16:26.023Z and was last modified on 2026-07-20T20:10:00.110Z. The NVD entry is currently Analyzed. The vulnerability affects multiple Samsung Exynos chipsets, including Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, 9110, W920, W930, W1000, Modem 5123, Modem 5300, and Modem 5400. However, detailed information about the vulnerability, such as its scope and potential impact, is limited. Defenders should verify the affected products and prioritize patching to prevent potential service disruptions.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-04-06T19:16:26.023Z and has not been modified since then. The NVD entry is currently Analyzed.