What is the CVSS score of CVE-2025-63749?

CVE-2025-63749 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N. EPSS exploitation probability: 6.7%.

Which versions of Pnetlab are affected by CVE-2025-63749?

Organizations using pnetlab 5.3.11 should be aware of notable risk from CVE-2025-63749, a command injection vulnerability rated CVSS 6.5.

Is there a public PoC exploit available for CVE-2025-63749?

Yes, a public proof-of-concept exploit is available for CVE-2025-63749. Prioritise patching immediately. EPSS: 6.7%.

How to fix or mitigate CVE-2025-63749?

Within 7 days: Identify affected systems and apply vendor patches promptly. Validate input sanitization for user-controlled parameters.

Pnetlab CVE-2025-63749

MEDIUM

Command Injection (CWE-77)

2025-11-18 cve@mitre.org

Command Injection Pnetlab

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:22 vuln.today

PoC Detected

Nov 20, 2025 - 17:31 vuln.today

Public exploit code

CVE Published

Nov 18, 2025 - 19:15 nvd

MEDIUM 6.5

DescriptionCVE.org

pnetlab 5.3.11 is vulnerable to Command Injection via the qemu_options parameter.

AnalysisAI

pnetlab 5.3.11 is vulnerable to Command Injection via the qemu_options parameter. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. pnetlab 5.3.11 is vulnerable to Command Injection via the qemu_options parameter. Affected products include: Pnetlab.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized APIs, avoid shell execution, validate input with strict allowlists.

CVE-2025-63749 vulnerability details – vuln.today

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Pnetlab CVE-2025-63749

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code