Critical severity9.8NVD Advisory· Published Jul 8, 2021· Updated Jun 17, 2026

CVE-2021-25434

Description

Improper input validation vulnerability in Tizen bootloader prior to Firmware update JUL-2021 Release allows arbitrary code execution using param partition in wireless firmware download mode.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Linux/Tizen
cpe:2.3:o:linux:tizen:*:*:*:*:*:*:*:*
Range: <5.5
Tizen/bootloaderllm-create
Range: <JUL-2021 Release
Samsung Mobile/Tizen bootloaderllm-fuzzy
Range: <JUL-2021 Release
Samsung Mobile/Tizen wearable devicesv5
Range: Tizen 5.5

Patches

Vulnerability mechanics

References

security.samsungmobile.com/serviceWeb.smsbnvdVendor Advisory

News mentions

No linked articles in our index yet.

cvss	0.637
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000