Medium severity · published Feb 3, 2026
CVE-2025-58340
An issue was discovered in the Wi-Fi driver in Samsung Mobile Processor and Wearable Processor Exynos 980, 850, 1080, 1280, 1330, 1380, 1480, 1580, W920, W930 and W1000
6.2
CVSS
0.2%
EPSS
No
On KEV
Description
An issue was discovered in the Wi-Fi driver in Samsung Mobile Processor and Wearable Processor Exynos 980, 850, 1080, 1280, 1330, 1380, 1480, 1580, W920, W930 and W1000. There is unbounded memory allocation via a large buffer in a /proc/driver/unifi0/send_delts write operation, leading to kernel memory exhaustion.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 7% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
E1
Exynos 1080 Firmware · Samsung
All versions, or not specified · source: NVD
E1
Exynos 1280 Firmware · Samsung
All versions, or not specified · source: NVD
E1
Exynos 1330 Firmware · Samsung
All versions, or not specified · source: NVD
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
E8
Exynos 850 Firmware · Samsung
All versions, or not specified · source: NVD
E9
Exynos 980 Firmware · Samsung
All versions, or not specified · source: NVD
EW
Exynos W1000 Firmware · Samsung
All versions, or not specified · source: NVD
EW
Exynos W920 Firmware · Samsung
All versions, or not specified · source: NVD
EW
Exynos W930 Firmware · Samsung
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-58340
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-58340
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-2025-58340/
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