Home/CVE/Samsung Mobile Devices Out-of-Bounds Write Vulnerability
CVE

CVE-2025-21043

Samsung Mobile Devices Out-of-Bounds Write Vulnerability

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

HIGH · CVSS 8.8 ⚠ CISA KEV EPSS 0.04908
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • SSVC exploitation status: active
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬢

Required Remediation

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

⬡

Weakness Classification

CWE-787Out-of-bounds Write
▤

Affected Products & Versions

1
samsung androidall versions
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · mobile.security@samsung.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Sep 2025 · 08:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
cisaKEV-CVE-2025-21043
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-21043US Government Resource
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