NVIDIA has released a critical security update for its NVDebug diagnostic tool, closing three high-severity vulnerabilities that, if exploited, could allow attackers to escalate privileges, execute arbitrary code, and tamper with sensitive data.
Users are urged to install version 1.7.0 or later immediately to safeguard their systems against potential compromise.
Critical Insufficiently Protected Credentials Flaw
The most severe of the trio is CVE-2025-23342, rated at CVSS 8.2, stemming from insufficiently protected credentials (CWE-522).
An attacker who exploits this vulnerability can obtain privileged account credentials, effectively gaining full administrative control over the host.
Such access would enable installation of persistent backdoors, exfiltration of confidential information, or complete takeover of affected systems.
CVE-2025-23343 is a CWE-22 path traversal issue with a CVSS 7.6 score.
By crafting specially formed file paths, an adversary could write files to restricted directories on x86_64 or arm64-SBSA machines running NVDebug versions before 1.7.0.
Successful exploitation may yield unauthorized disclosure of data, denial-of-service conditions, or malicious data tampering within system-critical locations.
The third flaw, CVE-2025-23344, is an OS command injection bug (CWE-78) assigned a CVSS 7.3 rating.
This vulnerability permits a non-privileged user to execute arbitrary shell commands under the context of the NVDebug process.
Attackers leveraging this weakness can escalate privileges by injecting payloads that spawn reverse shells, deploy malware, or pivot laterally across the network.
Combined, these vulnerabilities represent a significant risk: attackers with limited access can rapidly gain full control, execute payloads, and persist within targeted environments.
NVIDIA notes its risk assessment reflects an average across diverse hardware and software configurations, and advises organizations to evaluate their own environments when calculating potential impact. Prompt application of the patch is the only recommended mitigation.
| CVE Identifier | Description | CVSS Score | CWE | Impact |
|---|---|---|---|---|
| CVE-2025-23342 | Insufficiently protected credentials | 8.2 | 522 | Privilege escalation, full system compromise |
| CVE-2025-23343 | Path traversal | 7.6 | 22 | Unauthorized file writes, data disclosure |
| CVE-2025-23344 | OS command injection | 7.3 | 78 | Arbitrary code execution, privilege escalation |
Administrators and developers using NVDebug should download and install version 1.7.0 or later from the NVIDIA Developer Tools portal without delay.
Ensuring that diagnostic utilities remain up to date is essential to defend against emerging threats and maintain the integrity of development and production systems.
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