High severity · published Jan 5, 2026
CVE-2025-53966
An issue was discovered in Samsung Mobile Processor Exynos 1380, 1480, 2400, and 1580
8.4
CVSS
0.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 5% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
E1
Exynos 1380 Firmware · Samsung
All versions, or not specified · source: NVD
E1
Exynos 1480 Firmware · Samsung
All versions, or not specified · source: NVD
E1
Exynos 1580 Firmware · Samsung
All versions, or not specified · source: NVD
E2
Exynos 2400 Firmware · Samsung
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-53966
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-53966
Vendor Advisory
https://semiconductor.samsung.com/support/quality-support/product-security-updates/
Vendor Advisory
https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2025-53966/
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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, 2500, 9110, W920,…
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CVE-2025-52909
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
9.8
CVE-2025-52910
An issue was discovered in the GPU in Samsung Mobile Processor and Wearable Processor Exynos 1280, 2200, 1330, 1380, 1480, 2400