CVE-2021-35392

high-risk
Published 2021-08-16

Realtek Jungle SDK version v2.x up to v3.4.14B provides a 'WiFi Simple Config' server that implements both UPnP and SSDP protocols. The binary is usually named wscd or mini_upnpd and is the successor to miniigd. The server is vulnerable to a heap buffer overflow that is present due to unsafe crafting of SSDP NOTIFY messages from received M-SEARCH messages ST header.

Do I need to act?

!
73.6% chance of exploitation in next 30 days
EPSS score — higher than 26% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Vendors

50
/ 100
high-risk
Severity 26/34 · High
Exploitability 19/34 · Moderate
Exposure 5/34 · Minimal