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CVE-2025-21043: Samsung Mobile Devices

EPSS2.1%No. 1579 of 1739 in KEV
CVE year2025listed the same year
Same vendor in KEV15
Same product13
FieldValue
VendorSamsung
ProductMobile Devices
NameSamsung Mobile Devices Out-of-Bounds Write Vulnerability
Added to KEV2025-10-02
US federal due date2025-10-23
Ransomware useUnknown
CWECWE-787

CISA description

Samsung mobile devices contain an out-of-bounds write vulnerability in libimagecodec.quram.so which allows remote attackers to execute arbitrary code.

Other entries for this product

CVEVendor / productAddedEPSSRansomware
CVE-2025-21042Samsung Mobile Devices2025-11-1033.1%Unknown
CVE-2022-22265Samsung Mobile Devices2023-09-180.3%Unknown
CVE-2021-25489Samsung Mobile Devices2023-06-290.5%Unknown
CVE-2021-25487Samsung Mobile Devices2023-06-290.6%Unknown
CVE-2021-25395Samsung Mobile Devices2023-06-290.3%Unknown
CVE-2021-25394Samsung Mobile Devices2023-06-290.4%Unknown
CVE-2021-25372Samsung Mobile Devices2023-06-290.8%Unknown
CVE-2021-25371Samsung Mobile Devices2023-06-290.8%Unknown
CVE-2023-21492Samsung Mobile Devices2023-05-192.5%Unknown
CVE-2021-25370Samsung Mobile Devices2022-11-080.8%Unknown
CVE-2021-25369Samsung Mobile Devices2022-11-081.0%Unknown
CVE-2021-25337Samsung Mobile Devices2022-11-082.8%Unknown

NVD — CVE-2025-21043

Data from CISA's Known Exploited Vulnerabilities (KEV) catalog. EPSS is FIRST's estimated probability of exploitation activity in the next 30 days, refreshed weekly. Always follow the vendor's official guidance.
About this page

A Samsung Mobile Devices vulnerability added to CISA's Known Exploited Vulnerabilities catalog on 2025-10-02.