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.
History

Tue, 14 Apr 2026 16:45:00 +0000

Type Values Removed Values Added
Title Out‑of‑Bounds Write in SMS Packet Processing on Samsung Exynos Chips

Mon, 13 Apr 2026 15:45:00 +0000

Type Values Removed Values Added
First Time appeared Samsung exynos 1080
Samsung exynos 1080 Firmware
Samsung exynos 1280
Samsung exynos 1280 Firmware
Samsung exynos 1330
Samsung exynos 1330 Firmware
Samsung exynos 1380
Samsung exynos 1380 Firmware
Samsung exynos 1480
Samsung exynos 1480 Firmware
Samsung exynos 1580
Samsung exynos 1580 Firmware
Samsung exynos 2100
Samsung exynos 2100 Firmware
Samsung exynos 2200
Samsung exynos 2200 Firmware
Samsung exynos 2400
Samsung exynos 2400 Firmware
Samsung exynos 2500
Samsung exynos 2500 Firmware
Samsung exynos 850
Samsung exynos 850 Firmware
Samsung exynos 9110
Samsung exynos 9110 Firmware
Samsung exynos 980
Samsung exynos 980 Firmware
Samsung exynos 990
Samsung exynos 990 Firmware
Samsung exynos Modem 5123
Samsung exynos Modem 5123 Firmware
Samsung exynos Modem 5300
Samsung exynos Modem 5300 Firmware
Samsung exynos Modem 5400
Samsung exynos Modem 5400 Firmware
Samsung exynos W1000
Samsung exynos W1000 Firmware
Samsung exynos W920
Samsung exynos W920 Firmware
Samsung exynos W930
Samsung exynos W930 Firmware
CPEs cpe:2.3:h:samsung:exynos_1080:-:*:*:*:*:*:*:*
cpe:2.3:h:samsung:exynos_1280:-:*:*:*:*:*:*:*
cpe:2.3:h:samsung:exynos_1330:-:*:*:*:*:*:*:*
cpe:2.3:h:samsung:exynos_1380:-:*:*:*:*:*:*:*
cpe:2.3:h:samsung:exynos_1480:-:*:*:*:*:*:*:*
cpe:2.3:h:samsung:exynos_1580:-:*:*:*:*:*:*:*
cpe:2.3:h:samsung:exynos_2100:-:*:*:*:*:*:*:*
cpe:2.3:h:samsung:exynos_2200:-:*:*:*:*:*:*:*
cpe:2.3:h:samsung:exynos_2400:-:*:*:*:*:*:*:*
cpe:2.3:h:samsung:exynos_2500:-:*:*:*:*:*:*:*
cpe:2.3:h:samsung:exynos_850:-:*:*:*:*:*:*:*
cpe:2.3:h:samsung:exynos_9110:-:*:*:*:*:*:*:*
cpe:2.3:h:samsung:exynos_980:-:*:*:*:*:*:*:*
cpe:2.3:h:samsung:exynos_990:-:*:*:*:*:*:*:*
cpe:2.3:h:samsung:exynos_modem_5123:-:*:*:*:*:*:*:*
cpe:2.3:h:samsung:exynos_modem_5300:-:*:*:*:*:*:*:*
cpe:2.3:h:samsung:exynos_modem_5400:-:*:*:*:*:*:*:*
cpe:2.3:h:samsung:exynos_w1000:-:*:*:*:*:*:*:*
cpe:2.3:h:samsung:exynos_w920:-:*:*:*:*:*:*:*
cpe:2.3:h:samsung:exynos_w930:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_1080_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_1280_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_1330_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_1380_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_1480_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_1580_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_2100_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_2200_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_2400_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_2500_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_850_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_9110_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_980_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_990_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_modem_5123_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_modem_5300_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_modem_5400_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_w1000_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_w920_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_w930_firmware:-:*:*:*:*:*:*:*
Vendors & Products Samsung exynos 1080
Samsung exynos 1080 Firmware
Samsung exynos 1280
Samsung exynos 1280 Firmware
Samsung exynos 1330
Samsung exynos 1330 Firmware
Samsung exynos 1380
Samsung exynos 1380 Firmware
Samsung exynos 1480
Samsung exynos 1480 Firmware
Samsung exynos 1580
Samsung exynos 1580 Firmware
Samsung exynos 2100
Samsung exynos 2100 Firmware
Samsung exynos 2200
Samsung exynos 2200 Firmware
Samsung exynos 2400
Samsung exynos 2400 Firmware
Samsung exynos 2500
Samsung exynos 2500 Firmware
Samsung exynos 850
Samsung exynos 850 Firmware
Samsung exynos 9110
Samsung exynos 9110 Firmware
Samsung exynos 980
Samsung exynos 980 Firmware
Samsung exynos 990
Samsung exynos 990 Firmware
Samsung exynos Modem 5123
Samsung exynos Modem 5123 Firmware
Samsung exynos Modem 5300
Samsung exynos Modem 5300 Firmware
Samsung exynos Modem 5400
Samsung exynos Modem 5400 Firmware
Samsung exynos W1000
Samsung exynos W1000 Firmware
Samsung exynos W920
Samsung exynos W920 Firmware
Samsung exynos W930
Samsung exynos W930 Firmware

Fri, 10 Apr 2026 10:00:00 +0000

Type Values Removed Values Added
Title Out‑of‑Bounds Write in Samsung Exynos Processors During SMS Packet Processing

Thu, 09 Apr 2026 14:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 08 Apr 2026 20:15:00 +0000

Type Values Removed Values Added
Title Out‑of‑Bounds Write in Samsung Exynos Processors During SMS Packet Processing
First Time appeared Samsung
Samsung exynos
Weaknesses CWE-787
Vendors & Products Samsung
Samsung exynos

Tue, 07 Apr 2026 15:15:00 +0000

Type Values Removed Values Added
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.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-04-07T00:00:00.000Z

Updated: 2026-04-09T13:44:57.981Z

Reserved: 2025-10-23T00:00:00.000Z

Link: CVE-2025-62818

cve-icon Vulnrichment

Updated: 2026-04-09T13:44:43.677Z

cve-icon NVD

Status : Analyzed

Published: 2026-04-07T15:17:34.060

Modified: 2026-04-13T15:31:39.197

Link: CVE-2025-62818

cve-icon Redhat

No data.