CVE detail
CVE-2025-21042: Samsung Mobile Devices Out-of-Bounds Write Vulnerability
Source: CISA Known Exploited Vulnerabilities catalog · back to feed
Vendor / product
Samsung · Mobile Devices
- Date added (KEV)
- Nov 10, 2025
- CISA due date
- Dec 01, 2025
- Ransomware campaign use
- Unknown
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.
Vendor fix: Vendor advisory
Scorifya interpretation
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Plain English
Technical detail
From CISA
Samsung mobile devices contain an out-of-bounds write vulnerability in libimagecodec.quram.so. This vulnerability could allow remote attackers to execute arbitrary code.
https://security.samsungmobile.com/securityUpdate.smsb?year=2025&month=04 ; https://nvd.nist.gov/vuln/detail/CVE-2025-21042
References
- https://security.samsungmobile.com/securityUpdate.smsb?year=2025&month=04Vendor Advisory
- https://unit42.paloaltonetworks.com/landfall-is-new-commercial-grade-android-spyware/Technical DescriptionThird Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-21042US Government Resource
Other recent CVEs from Samsung
- CVE-2024-7399MagicINFO 9 Server — Samsung MagicINFO 9 Server Path Traversal Vulnerability
- CVE-2025-21043Mobile Devices — Samsung Mobile Devices Out-of-Bounds Write Vulnerability
- CVE-2025-4632MagicINFO 9 Server — Samsung MagicINFO 9 Server Path Traversal Vulnerability
- CVE-2022-22265Mobile Devices — Samsung Mobile Devices Use-After-Free Vulnerability
- CVE-2021-25371Mobile Devices — Samsung Mobile Devices Unspecified Vulnerability
Check your domain's public posture
Scorifya doesn't test for specific CVEs, but if patching Samsung changed your headers or TLS, a fresh hardening scan helps confirm nothing regressed externally.