Analysis Summary

NVIDIA has issued a critical security update for its NVDebug tool, addressing three high-severity vulnerabilities that pose significant risks to affected systems. The flaws, present in all versions prior to 1.7.0, could enable attackers to escalate privileges, execute arbitrary code, and tamper with sensitive data. Among them, CVE-2025-23342, with a CVSS score of high, is the most severe. This vulnerability stems from insufficiently protected credentials (CWE-522), potentially allowing unauthorized access to privileged accounts and resulting in full system compromise.

The second vulnerability, CVE-2025-23343, is a path traversal flaw (CWE-22) with a CVSS score of high. If successfully exploited, it could allow attackers to write files to restricted directories, leading to data tampering, denial of service, or information disclosure. The third flaw, CVE-2025-23344, is an OS command injection issue (CWE-78) rated high, which could enable non-privileged users to run arbitrary commands on the host machine. This presents a direct path to privilege escalation and system takeover.

Taken together, these vulnerabilities significantly amplify the risks of exploitation, particularly around privilege escalation. An attacker gaining elevated privileges could install malware, exfiltrate sensitive data, or maintain persistence within the compromised environment. Coupled with the ability to execute arbitrary code, these flaws create opportunities for extensive malicious activity, including deploying payloads and disrupting system operations. NVIDIA’s advisory highlights that the actual impact may vary depending on individual configurations, but the combined threat level remains substantial.

To mitigate these risks, NVIDIA strongly advises all users to update to NVDebug version 1.7.0 or later. The patched release addresses all three vulnerabilities and is available through the official NVIDIA Developer Tools page. Administrators and developers running the tool on x86_64 or arm64-SBSA architectures should prioritize this update immediately, as it is the only recommended remediation. Delayed patching could leave systems exposed to privilege escalation and code execution attacks, underscoring the urgency of this update.

Impact

• Gain Access
• Privilege Escalation

Indicators of Compromise

CVE

• CVE-2025-23342

• CVE-2025-23343

• CVE-2025-23344

Affected Vendors

Remediation

• Update the NVDebug tool to version 1.7.0 or later
• Download the patched version only from the official NVIDIA Developer Tools page
• Immediately apply the update on systems running x86_64 or arm64-SBSA architectures
• Ensure administrators and developers using NVDebug upgrade their installations without delay
• Regularly review system configurations to assess potential exposure to these flaws
• Monitor for signs of privilege escalation, unauthorized code execution, or suspicious file modifications after updating