{"cve":"CVE-2021-35394","nvd":{"published":"2021-08-16T12:15:07.267","modified":"2026-06-17T03:57:29.187","status":"Analyzed","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-78"],"references":["https://www.iot-inspector.com/blog/advisory-multiple-issues-realtek-sdk-iot-supply-chain","https://www.realtek.com/en/cu-1-en/cu-1-taiwan-en","https://www.realtek.com/images/safe-report/Realtek_APRouter_SDK_Advisory-CVE-2021-35392_35395.pdf","https://www.securityfocus.com/archive/1/534765","https://www.iot-inspector.com/blog/advisory-multiple-issues-realtek-sdk-iot-supply-chain"],"products":["realtek:rtl819x_jungle_software_development_kit"],"source":"nvd","synced_at":"2026-10-19T21:21:57.125947417+00:00"},"epss":{"cve":"CVE-2021-35394","score":0.99877,"percentile":0.99964,"date":"2026-10-31"},"kev":{"cve":"CVE-2021-35394","date_added":"2021-12-10","due_date":"2021-12-24","vendor":"Realtek","product":"Jungle Software Development Kit (SDK)","known_ransomware":false},"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}