CISA-confirmed known exploited vulnerability

CVE-2021-35394

Realtek Jungle SDK Remote Code Execution Vulnerability

Realtek · Jungle Software Development Kit (SDK)

Vulnerability details

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

Added to CISA KEV: 2021-12-10

Ransomware campaign use: Unknown

CISA due date: 2021-12-24

Defensive guidance from CISA

Apply updates per vendor instructions.

This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.

Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC

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