CVE-2025-21043

Exp

Out-of-bounds write in libimagecodec.quram.so prior to SMR Sep-2025 Release 1 allows remote attackers to execute arbitrary code.

Published: 2025-09-12 Last update: 2025-10-30 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2025-21043 is rated Critical Active Threat (86.6/100): CVSS High severity, with medium exploitation likelihood (EPSS 4.91%). CISA KEV confirms active exploitation (added 2025-10-02) affecting Samsung / Mobile Devices. a weakness (CWE-787) Unauthenticated remote administrative access may be possible. The CISA remediation deadline has passed—treat as an emergency patch priority.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

CISA KEV Record for CVE-2025-21043

Name: Samsung Mobile Devices Out-of-Bounds Write Vulnerability · CISA KEV detail

Exploit added: 2025-10-02

Action due: 2025-10-23

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.

Exploit prediction scoring system (EPSS) score for CVE-2025-21043

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-02-08 9.77% 4.91% -4.87%
2 2026-02-04 11.37% 9.77% -1.60%
3 2026-01-18 — 11.37% —

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-21043

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.8 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 5.9 [email protected]
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 [email protected]

Weakness enumeration for CVE-2025-21043

Affected software / configurations for CVE-2025-21043

Vendor Product Version Raw CPE
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:-:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-apr-2022-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-apr-2023-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-apr-2024-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-apr-2025-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-aug-2022-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-aug-2023-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-aug-2024-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-aug-2025-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-dec-2021-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-dec-2022-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-dec-2023-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-dec-2024-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-feb-2022-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-feb-2023-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-feb-2024-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-feb-2025-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-jan-2022-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-jan-2023-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-jan-2024-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-jan-2025-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-jul-2022-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-jul-2023-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-jul-2024-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-jul-2025-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-jun-2022-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-jun-2023-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-jun-2024-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-jun-2025-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-mar-2022-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-mar-2023-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-mar-2024-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-mar-2025-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-may-2022-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-may-2023-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-may-2024-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-may-2025-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-nov-2021-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-nov-2022-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-nov-2023-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-nov-2024-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-oct-2022-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-oct-2023-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-oct-2024-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-sep-2022-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-sep-2023-r1:*:*:*:*:*:*
samsung android 13.0 cpe:2.3:o:samsung:android:13.0:smr-sep-2024-r1:*:*:*:*:*:*
samsung android 14.0 cpe:2.3:o:samsung:android:14.0:-:*:*:*:*:*:*
samsung android 14.0 cpe:2.3:o:samsung:android:14.0:smr-apr-2022-r1:*:*:*:*:*:*
samsung android 14.0 cpe:2.3:o:samsung:android:14.0:smr-apr-2023-r1:*:*:*:*:*:*
samsung android 14.0 cpe:2.3:o:samsung:android:14.0:smr-apr-2024-r1:*:*:*:*:*:*
samsung android 14.0 cpe:2.3:o:samsung:android:14.0:smr-apr-2025-r1:*:*:*:*:*:*
samsung android 14.0 cpe:2.3:o:samsung:android:14.0:smr-aug-2022-r1:*:*:*:*:*:*
samsung android 14.0 cpe:2.3:o:samsung:android:14.0:smr-aug-2023-r1:*:*:*:*:*:*
samsung android 14.0 cpe:2.3:o:samsung:android:14.0:smr-aug-2024-r1:*:*:*:*:*:*
samsung android 14.0 cpe:2.3:o:samsung:android:14.0:smr-aug-2025-r1:*:*:*:*:*:*
samsung android 14.0 cpe:2.3:o:samsung:android:14.0:smr-dec-2021-r1:*:*:*:*:*:*
samsung android 14.0 cpe:2.3:o:samsung:android:14.0:smr-dec-2022-r1:*:*:*:*:*:*
samsung android 14.0 cpe:2.3:o:samsung:android:14.0:smr-dec-2023-r1:*:*:*:*:*:*
samsung android 14.0 cpe:2.3:o:samsung:android:14.0:smr-dec-2024-r1:*:*:*:*:*:*
samsung android 14.0 cpe:2.3:o:samsung:android:14.0:smr-feb-2022-r1:*:*:*:*:*:*
samsung android 14.0 cpe:2.3:o:samsung:android:14.0:smr-feb-2023-r1:*:*:*:*:*:*
samsung android 14.0 cpe:2.3:o:samsung:android:14.0:smr-feb-2024-r1:*:*:*:*:*:*
samsung android 14.0 cpe:2.3:o:samsung:android:14.0:smr-feb-2025-r1:*:*:*:*:*:*
samsung android 14.0 cpe:2.3:o:samsung:android:14.0:smr-jan-2022-r1:*:*:*:*:*:*
samsung android 14.0 cpe:2.3:o:samsung:android:14.0:smr-jan-2023-r1:*:*:*:*:*:*
samsung android 14.0 cpe:2.3:o:samsung:android:14.0:smr-jan-2024-r1:*:*:*:*:*:*
samsung android 14.0 cpe:2.3:o:samsung:android:14.0:smr-jan-2025-r1:*:*:*:*:*:*
samsung android 14.0 cpe:2.3:o:samsung:android:14.0:smr-jul-2022-r1:*:*:*:*:*:*
samsung android 14.0 cpe:2.3:o:samsung:android:14.0:smr-jul-2023-r1:*:*:*:*:*:*
samsung android 14.0 cpe:2.3:o:samsung:android:14.0:smr-jul-2024-r1:*:*:*:*:*:*
samsung android 14.0 cpe:2.3:o:samsung:android:14.0:smr-jul-2025-r1:*:*:*:*:*:*
samsung android 14.0 cpe:2.3:o:samsung:android:14.0:smr-jun-2022-r1:*:*:*:*:*:*
samsung android 14.0 cpe:2.3:o:samsung:android:14.0:smr-jun-2023-r1:*:*:*:*:*:*
samsung android 14.0 cpe:2.3:o:samsung:android:14.0:smr-jun-2024-r1:*:*:*:*:*:*
samsung android 14.0 cpe:2.3:o:samsung:android:14.0:smr-jun-2025-r1:*:*:*:*:*:*
samsung android 14.0 cpe:2.3:o:samsung:android:14.0:smr-mar-2022-r1:*:*:*:*:*:*
samsung android 14.0 cpe:2.3:o:samsung:android:14.0:smr-mar-2023-r1:*:*:*:*:*:*
samsung android 14.0 cpe:2.3:o:samsung:android:14.0:smr-mar-2024-r1:*:*:*:*:*:*
samsung android 14.0 cpe:2.3:o:samsung:android:14.0:smr-mar-2025-r1:*:*:*:*:*:*

References for CVE-2025-21043

cvelogic Threat Intelligence