Critical severity · published Apr 7, 2026
CVE-2025-62818
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,…
9.8
CVSS
0.5%
EPSS
No
On KEV
Description
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, W930, W1000, Modem 5123, Modem 5300, and Modem 5400. An out-of-bounds write occurs due to a mismatch between the TP-UDHI and UDL values when processing an SMS TP-UD packet.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% 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
E2
Exynos 2100 Firmware · Samsung
All versions, or not specified · source: NVD
E2
Exynos 2200 Firmware · Samsung
All versions, or not specified · source: NVD
E2
Exynos 2400 Firmware · Samsung
All versions, or not specified · source: NVD
E2
Exynos 2500 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
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-62818
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-62818
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-2025-62818/
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