CVE-2021-35394
critical · 9.8Actively exploitedOn the CISA Known Exploited Vulnerabilities catalog
Apply updates per vendor instructions.
Added 2021-12-10Remediation due 2021-12-24
A public exploit / detection template exists
Weaponised detection is publicly available, which meaningfully raises real-world risk regardless of CVSS. nuclei-templates →
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.
9.8
CVSS
99.9%
EPSS (exploit prob.)
100th
EPSS percentile
2021-08-16
Published
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-78
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| realtek | rtl819x_jungle_software_development_kit | >= 2.0, <= 3.4.14b |
Check a specific version with /api/v1/cve/match.
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
- 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.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-35394
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2021-35394