CVE-2025-70616 is a stack buffer overflow vulnerability in the Wincor Nixdorf wnBios64.sys kernel driver (version 1.2.0.0), specifically within the IOCTL handler for code 0x80102058. An attacker with local access can exploit this by sending a crafted IOCTL request, overflowing a 40-byte stack buffer due to missing bounds checking on the user-controlled Options parameter. This can lead to kernel code execution, local privilege escalation, or denial of service. There is no public information regarding active exploitation, exploit code availability, or significant community discussion for this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.2.0.0CPE matchmatch criteria | cpe:2.3:a:dieboldnixdorf:wnbios64.sys:1.2.0.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.