CVE-2021-35394

Timeline

Detection, updates, and resolution for this record.

1. Aug 16, 2021 · Catalog

   Detected

   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.

2. Dec 10, 2021 · CISA KEV

   Known exploited

   Apply updates per vendor instructions.

3. Dec 24, 2021 · CISA KEV

   Remediation due

   Apply updates per vendor instructions.

4. Jun 16, 2026 · Catalog

   Updated

   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.

Affected

• cpe realtek/rtl819x jungle software development kitversion unspecified
• vendor Realtek Jungle Software Development Kit (SDK)version unspecified

Sources

• CISA KEVCVE-2021-35394

  RealTek Jungle SDK contains multiple memory corruption vulnerabilities which can allow an attacker to perform remote code execution.

  cisa.gov
• CVE.orgCVE-2021-35394

  Official CVE identifier

  cve.org
• FIRST EPSSCVE-2021-35394

  30-day exploitation probability 99.9%

  first.org
• NIST NVDCVE-2021-35394

  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

  nvd.nist.gov

References

• CISA note · nvd.nist.gov
• Broken Link · iot-inspector.com
• Broken Link · realtek.com
• Patch · realtek.com
• Broken Link · securityfocus.com