CVE-2025-8302
Description
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-26553.
How to fix
- realtek wi-fi_usb_driver1030.52.0325.2025 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| realtek wi-fi_usb_driver | v < 1030.52.0325.2025 | 1030.52.0325.2025 |
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Attack Surface Management
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