pnetlab 5.3.11 is vulnerable to Command Injection via the qemu_options parameter.
Priority HIGH 70CWE-77Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-77.
Summary
pnetlab 5.3.11 is vulnerable to Command Injection via the qemu_options parameter.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0098 62nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-63749
- 2026-10-03 Alias added: GHSA-fmpp-jqp5-qjh9
References
More Pnetlab vulnerabilities
- TI-2024-34246 Open Redirect vulnerability in Pnetlab 5.3.11 allows an attacker to manipulate URLs to… CVSS 3.1MEDIUM 6.1
- TI-2024-34245 Cross-Site Scripting (XSS) vulnerability in Pnetlab 5.3.11 allows an attacker to inject… CVSS 3.1MEDIUM 4.1
Sources
- CVE-2025-63749 · CVE Program
- CVE-2025-63749 · NVD
- FIRST EPSS
- GHSA-fmpp-jqp5-qjh9 · GitHub Advisory Database · CC BY 4.0
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