High severity · published Jan 5, 2026
CVE-2025-43706
An issue was discovered in L2 in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2400, 1580, 9110, W920, W930, Modem 5123, and Modem 5400
7.5
CVSS
0.3%
EPSS
No
On KEV
Description
An issue was discovered in L2 in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2400, 1580, 9110, W920, W930, Modem 5123, and Modem 5400. Incorrect handling of RRC packets leads to a Denial of Service.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 26% 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 1580 Firmware · Samsung
All versions, or not specified · source: NVD
E2
Exynos 2400 Firmware · Samsung
All versions, or not specified · source: NVD
E8
Exynos 850 Firmware · Samsung
All versions, or not specified · source: NVD
E9
Exynos 9110 Firmware · Samsung
All versions, or not specified · source: NVD
E9
Exynos 980 Firmware · Samsung
All versions, or not specified · source: NVD
E9
Exynos 990 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
M5
Modem 5123 Firmware · Samsung
All versions, or not specified · source: NVD
M5
Modem 5400 Firmware · Samsung
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-43706
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-43706
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-2025-43706/
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