CVE-2025-62818
Samsung Exynos SMS TP-UD Out-of-Bounds Write 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.
INFO
Published Date :
April 7, 2026, 3:17 p.m.
Last Modified :
April 13, 2026, 3:31 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2025-62818
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Apply firmware updates for affected devices.
- Contact Samsung support for patch information.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-62818.
| URL | Resource |
|---|---|
| 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/ | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-62818 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-62818
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-62818 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-62818 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Apr. 13, 2026
Action Type Old Value New Value Added CPE Configuration AND OR *cpe:2.3:o:samsung:exynos_990_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:exynos_990:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:samsung:exynos_980_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:exynos_980:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:samsung:exynos_850_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:exynos_850:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:samsung:exynos_1080_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:exynos_1080:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:samsung:exynos_1280_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:exynos_1280:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:samsung:exynos_1330_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:exynos_1330:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:samsung:exynos_1380_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:exynos_1380:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:samsung:exynos_1480_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:exynos_1480:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:samsung:exynos_1580_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:exynos_1580:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:samsung:exynos_9110_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:exynos_9110:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:samsung:exynos_2100_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:exynos_2100:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:samsung:exynos_2200_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:exynos_2200:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:samsung:exynos_2400_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:exynos_2400:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:samsung:exynos_2500_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:exynos_2500:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:samsung:exynos_w930_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:exynos_w930:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:samsung:exynos_w920_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:exynos_w920:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:samsung:exynos_w1000_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:exynos_w1000:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:samsung:exynos_modem_5400_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:exynos_modem_5400:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:samsung:exynos_modem_5300_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:exynos_modem_5300:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:samsung:exynos_modem_5123_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:samsung:exynos_modem_5123:-:*:*:*:*:*:*:* Added Reference Type MITRE: https://semiconductor.samsung.com/support/quality-support/product-security-updates/ Types: Vendor Advisory Added Reference Type MITRE: https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2025-62818/ Types: Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Apr. 09, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-787 -
New CVE Received by [email protected]
Apr. 07, 2026
Action Type Old Value New Value 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. Added Reference https://semiconductor.samsung.com/support/quality-support/product-security-updates/ Added Reference https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2025-62818/