7.3
High
CVE-2021-25487 Samsung Mobile Devices Out-of-Bounds Read Vulnerability
Active exploitation observed
· CISA KEV catalogue
Required action
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable
Ransomware campaigns
Not observed so far
Weakness
CWE-125
Description
Lack of boundary checking of a buffer in set_skb_priv() of modem interface driver prior to SMR Oct-2021 Release 1 allows OOB read and it results in arbitrary code execution by dereference of invalid function pointer.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Samsung Mobile Devices | Versions not published |
Other CVEs of Samsung Mobile Devices
The 866 CVEs of Samsung Mobile Devices →
CVE-2026-21126
Improper input validation in getting cover image in libsimba.heifdec.media.samsung.so prior to SMR Oct-2026 Release 1…
6.9
Medium
CVE-2026-21125
Improper input validation in parsing sheifd in libsimba.heifdec.media.samsung.so prior to SMR Oct-2026 Release 1…
8.6
High
CVE-2026-21124
Improper input validation in getting cover image in libsimba.heifdec.media.samsung.so prior to SMR Oct-2026 Release 1…
8.6
High
CVE-2026-21123
Improper privilege management in Locksettings prior to SMR Oct-2026 Release 1 allows local privileged attackers with…
6.7
Medium