Vulnerability 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 Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Samsung | Exynos 990 Firmware | - |
| Samsung | Exynos 990 | - |
| Samsung | Exynos 980 Firmware | - |
| Samsung | Exynos 980 | - |
| Samsung | Exynos 850 Firmware | - |
| Samsung | Exynos 850 | - |
| Samsung | Exynos 1080 Firmware | - |
| Samsung | Exynos 1080 | - |
| Samsung | Exynos 1280 Firmware | - |
| Samsung | Exynos 1280 | - |
| Samsung | Exynos 1330 Firmware | - |
| Samsung | Exynos 1330 | - |
| Samsung | Exynos 1380 Firmware | - |
| Samsung | Exynos 1380 | - |
| Samsung | Exynos 1480 Firmware | - |
| Samsung | Exynos 1480 | - |
| Samsung | Exynos 1580 Firmware | - |
| Samsung | Exynos 1580 | - |
| Samsung | Exynos 9110 Firmware | - |
| Samsung | Exynos 9110 | - |
Related Weaknesses (CWE)
References
- https://semiconductor.samsung.com/support/quality-support/product-security-updatVendor Advisory
- https://semiconductor.samsung.com/support/quality-support/product-security-updatVendor Advisory
FAQ
What is CVE-2025-62818?
CVE-2025-62818 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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...
How severe is CVE-2025-62818?
CVE-2025-62818 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2025-62818?
Check the references section above for vendor advisories and patch information. Affected products include: Samsung Exynos 990 Firmware, Samsung Exynos 990, Samsung Exynos 980 Firmware, Samsung Exynos 980, Samsung Exynos 850 Firmware.