CVE-2025-8300

Katalog CVE

CVSS 8.8 · High EPSS 0,15%

Kerentanan Heap-based Buffer Overflow pada realtek wi-fi usb driver. Skor CVSS 3.0 8.8 (High) menurut trendmicro.com.

Deskripsi (NVD)

Realtek rtl81xx SDK Wi-Fi Driver rtwlanu Heap-based Buffer Overflow Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Realtek rtl81xx SDK Wi-Fi driver. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the N6CSet_DOT11_CIPHER_DEFAULT_KEY function. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-26552.

Rincian

Terbit di NVD

2 September 2025

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.0

8.8 (High), sumber trendmicro.com
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-122: Heap-based Buffer Overflow

EPSS (30 hari)

0,15% peluang dieksploitasi; lebih tinggi dari 3,9% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.zerodayinitiative.com/advisories/ZDI-25-883/ advisory pihak ketiga