CVE-2025-21043
Samsung Mobile Devices Out-of-Bounds Write Vulnerability - [Actively Exploited]
Description
Out-of-bounds write in libimagecodec.quram.so prior to SMR Sep-2025 Release 1 allows remote attackers to execute arbitrary code.
INFO
Published Date :
Sept. 12, 2025, 8:15 a.m.
Last Modified :
Oct. 30, 2025, 3:36 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CISA KEV (Known Exploited Vulnerabilities)
For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.
Samsung mobile devices contain an out-of-bounds write vulnerability in libimagecodec.quram.so which allows remote attackers to execute arbitrary code.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
https://security.samsungmobile.com/securityUpdate.smsb?year=2025&month=09 ; https://nvd.nist.gov/vuln/detail/CVE-2025-21043
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 3af57064-a867-422c-b2ad-40307b65c458 | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 3.1 | CRITICAL | [email protected] |
Solution
- Install the SMR Sep-2025 Release 1 security update.
- Update libimagecodec.quram.so to the patched version.
Public PoC/Exploit Available at Github
CVE-2025-21043 has a 2 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2025-21043.
| URL | Resource |
|---|---|
| https://security.samsungmobile.com/securityUpdate.smsb?year=2025&month=09 | Vendor Advisory |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-21043 | US Government Resource |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-21043 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-2025-21043
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).
ThreatCon1 Lab
Python
The Kubernetes Guidebook - Mastering Cloud-Native Orchestration From Fundamentals to Production
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-
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The following table lists the changes that have been made to the
CVE-2025-21043 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.
-
Modified Analysis by [email protected]
Oct. 30, 2025
Action Type Old Value New Value Added Reference Type CISA-ADP: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-21043 Types: US Government Resource -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Oct. 21, 2025
Action Type Old Value New Value Added Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-21043 -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Oct. 21, 2025
Action Type Old Value New Value Removed Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-21043 -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Oct. 21, 2025
Action Type Old Value New Value Added Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-21043 -
CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725
Oct. 03, 2025
Action Type Old Value New Value Added Date Added 2025-10-02 Added Due Date 2025-10-23 Added Required Action Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Added Vulnerability Name Samsung Mobile Devices Out-of-Bounds Write Vulnerability -
Initial Analysis by [email protected]
Sep. 19, 2025
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 Added CPE Configuration OR *cpe:2.3:o:samsung:android:13.0:smr-apr-2023-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-aug-2023-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-dec-2022-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-dec-2023-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-feb-2023-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:-:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-jan-2023-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-jul-2023-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-jun-2023-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-mar-2023-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-may-2023-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-nov-2022-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-nov-2023-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-oct-2022-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-oct-2023-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-sep-2023-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:-:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-apr-2023-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-apr-2024-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-feb-2024-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-jan-2024-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-mar-2024-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-apr-2024-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-aug-2023-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-dec-2022-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-dec-2023-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-feb-2023-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-feb-2024-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-jan-2023-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-jan-2024-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-jul-2023-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-jun-2023-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-jun-2024-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-mar-2023-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-mar-2024-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-may-2023-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-may-2024-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-nov-2022-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-nov-2023-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-oct-2022-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-oct-2023-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-sep-2023-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-apr-2022-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-apr-2025-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-aug-2022-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-aug-2024-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-dec-2021-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-dec-2024-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-feb-2022-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-feb-2025-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-jan-2022-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-jan-2025-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-jul-2022-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-jul-2024-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-jun-2022-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-jun-2024-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-jun-2025-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-mar-2022-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-mar-2025-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-may-2022-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-may-2024-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-nov-2021-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-nov-2024-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-oct-2024-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-sep-2022-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-sep-2024-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-apr-2022-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-apr-2025-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-aug-2022-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-aug-2024-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-dec-2021-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-dec-2024-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-feb-2022-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-feb-2025-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-jan-2022-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-jan-2025-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-jul-2022-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-jul-2024-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-jun-2022-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-mar-2022-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-mar-2025-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-may-2022-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-nov-2021-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-nov-2024-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-oct-2024-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-sep-2022-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-sep-2024-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:15.0:-:*:*:*:*:*:* *cpe:2.3:o:samsung:android:15.0:smr-apr-2025-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:15.0:smr-mar-2025-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-aug-2025-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-jul-2025-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:13.0:smr-may-2025-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-aug-2025-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-jul-2025-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-jun-2025-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:14.0:smr-may-2025-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:15.0:smr-aug-2025-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:15.0:smr-jul-2025-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:15.0:smr-jun-2025-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:15.0:smr-may-2025-r1:*:*:*:*:*:* *cpe:2.3:o:samsung:android:16.0:-:*:*:*:*:*:* *cpe:2.3:o:samsung:android:16.0:smr-aug-2025-r1:*:*:*:*:*:* Added Reference Type Samsung Mobile: https://security.samsungmobile.com/securityUpdate.smsb?year=2025&month=09 Types: Vendor Advisory -
New CVE Received by [email protected]
Sep. 12, 2025
Action Type Old Value New Value Added Description Out-of-bounds write in libimagecodec.quram.so prior to SMR Sep-2025 Release 1 allows remote attackers to execute arbitrary code. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Added Reference https://security.samsungmobile.com/securityUpdate.smsb?year=2025&month=09