CVE-2021-35394

high-risk
Published 2021-08-16

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.

Do I need to act?

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94.2% chance of exploitation in next 30 days
EPSS score — higher than 6% of all CVEs
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CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Realtek

References (9)

Broken Link https://www.iot-inspector.com/blog/advisory-multiple-issues-realtek-sdk-iot-supp...
Broken Link https://www.realtek.com/en/cu-1-en/cu-1-taiwan-en
Patch https://www.realtek.com/images/safe-report/Realtek_APRouter_SDK_Advisory-CVE-202...
Broken Link https://www.securityfocus.com/archive/1/534765
Broken Link https://www.iot-inspector.com/blog/advisory-multiple-issues-realtek-sdk-iot-supp...
Broken Link https://www.realtek.com/en/cu-1-en/cu-1-taiwan-en
Patch https://www.realtek.com/images/safe-report/Realtek_APRouter_SDK_Advisory-CVE-202...
Broken Link https://www.securityfocus.com/archive/1/534765
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-...
64
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 27/34 · High
Exposure 5/34 · Minimal