#VU114752 Heap-based buffer overflow in rtl81xx SDK - CVE-2025-8300

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Main Vulnerability Database Vulnerabilities #VU114752

#VU114752 Heap-based buffer overflow in rtl81xx SDK - CVE-2025-8300

Published: September 3, 2025


Vulnerability identifier: #VU114752
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-8300
CWE-ID: CWE-122
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
rtl81xx SDK
Software vendor:
Realtek

Description

The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the N6CSet_DOT11_CIPHER_DEFAULT_KEY function. A local user can pass specially crafted data to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system with elevated privileges.



Remediation

Install updates from vendor's website.

External links