totekuh/CVE-2026-36355

totekuh/CVE-2026-36355

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CVE-2026-36355: Realtek rtl819x Jungle SDK - Unauthenticated Kernel Memory Read/Write via Debug ioctls
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CVE History

CVEPublishedCVSS v3CVSS v2
CVE-2026-36355↗
7.7 HIGH—

The rtl8192cd Wi-Fi kernel driver in the Realtek rtl819x Jungle SDK (all known versions through v3.4.14B) does not perform any access control checks on the write_mem (ioctl 0x89F5) and read_mem (ioctl 0x89F6) debug handlers, which are compiled into production builds via the unconditionally defined _IOCTL_DEBUG_CMD_ macro in 8192cd_cfg.h