ACTIVELY EXPLOITED

CVE-2021-25487: Samsung Mobile Devices Out-of-Bounds Read Vulnerability

Facts
VendorSamsung
ProductMobile Devices
Actively exploitedYes
Added to CISA KEV29 Jun 2023
CISA federal deadline20 Jul 2023
Weakness (CWE)CWE-125

Required action (CISA's text)

Apply updates per vendor instructions or discontinue use of the product if updates are unavailable

Description (NVD)

Samsung mobile devices contain an out-of-bounds read vulnerability within the modem interface driver due to a lack of boundary checking of a buffer in set_skb_priv(), leading to remote code execution by dereference of an invalid function pointer.

SOURCES

Other Samsung flaws

Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.