CVE-2025-52909
Buffer Overflow in Samsung Exynos Wi-Fi Driver via NL80211 ioctl
Publication date: 2026-04-07
Last updated on: 2026-04-13
Assigner: MITRE
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| samsung | exynos_1280_firmware | * |
| samsung | exynos_1330_firmware | * |
| samsung | exynos_1380_firmware | * |
| samsung | exynos_1480_firmware | * |
| samsung | exynos_1580_firmware | * |
| samsung | exynos_850_firmware | * |
| samsung | exynos_980_firmware | * |
| samsung | exynos_w930_firmware | * |
| samsung | exynos_w920_firmware | * |
| samsung | exynos_w1000_firmware | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-120 | The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
CVE-2025-52909 is a high-severity vulnerability in the Samsung Exynos WiFi drivers for several SoC models. It is caused by incorrect handling of the NL80211 vendor command, which leads to a buffer overflow condition.
This buffer overflow occurs when processing a certain ioctl message, allowing an attacker to exploit the malformed vendor command.
How can this vulnerability impact me? :
The buffer overflow vulnerability could allow an attacker to execute arbitrary code on the affected device or cause a denial of service.
This means an attacker might gain control over the device or disrupt its normal operation by exploiting the flaw in the WiFi driver's handling of vendor commands.