Vulnerability Report

CVE-2026-36355

Title: Missing Access Control in Wi-Fi kernel driver

Privilege Escalation

Proof Of Concept

PoC Available for CVE-2026-36355

CWE Category CWE-200

Published Date May 05, 2026

Modified Date May 07, 2026

Exploit Status Available

Score 7.7 CVSS v3.1

Exploit Probability (EPSS)

0.68%

Vulnerability Summary

CVE-2026-36355: 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

Impacted Vendors

Analysis in Progress...

Reference Links

http://realtek.com https://github.com/totekuh/CVE-2026-36355 https://github.com/totekuh/CVE-2026-36355

CVSS v3.1

Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0

Severity HIGH

7.7

Attack Vector

LOCAL

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-36355 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/totekuh/CVE-2026-36355

View Code

Exploit-DB https://www.exploit-db.com/exploits/52580

View Code

May 07, 2026 MODIFIED

Vulnerability data updated via NVD.

May 07, 2026 MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector LOCAL

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected Stack

No specific products linked.