CVE-2021-35394

Known Exploited Public Exploit

Description

Realtek Jungle SDK version v2.x up to v3.4.14B provides a diagnostic tool called 'MP Daemon' that is usually compiled as 'UDPServer' binary. The binary is affected by multiple memory corruption vulnerabilities and an arbitrary command injection vulnerability that can be exploited by remote unauthenticated attackers.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 93.90% Top 5%
KEV Since 
Vendor Advisory realtek.com Vendor Advisory realtek.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.securityfocus.com/archive/1/534765 broken link third party advisory vdb entry
https://www.realtek.com/en/cu-1-en/cu-1-taiwan-en patch vendor advisory broken link
https://www.realtek.com/images/safe-report/Realtek_APRouter_SDK_Advisory-CVE-2021-35392_35395.pdf patch vendor advisory
https://www.iot-inspector.com/blog/advisory-multiple-issues-realtek-sdk-iot-supply-chain third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-35394?
CVE-2021-35394 has been scored as a critical severity vulnerability.
How to fix CVE-2021-35394?
To fix CVE-2021-35394, 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-2021-35394 being actively exploited in the wild?
It is confirmed that CVE-2021-35394 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~94% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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