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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.10% Top 25%
Vendor Advisory samsungmobile.com
Affected: Samsung Mobile Tizen wearable devices
Published at:
Updated at:

References

Link Tags
https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=7 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-25434?
CVE-2021-25434 has been scored as a critical severity vulnerability.
How to fix CVE-2021-25434?
To fix CVE-2021-25434, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-25434 being actively exploited in the wild?
It is possible that CVE-2021-25434 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-25434?
CVE-2021-25434 affects Samsung Mobile Tizen wearable devices.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.