TI-2025-27100 Aliases CVE-2025-40629 GHSA-xwfw-xfh4-73wv

Path Traversal vulnerability in PNETLab

MEDIUM 45CWE-22Published 2025-05-16 · Updated 2025-05-16

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Information disclosure
Confidentiality · integrity · availability: High · None · None
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.

Summary

PNETLab 4.2.10 does not properly sanitize user inputs in its file access mechanisms. This allows attackers to perform directory traversal by manipulating file paths in HTTP requests. Specifically, the application is vulnerable to requests that access sensitive files outside the intended directory.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00828 57th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

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
PNETLab	PNETLab	4.2.10	—	No fix listed	CNA

PNETLab VendorPNETLab Affected 4.2.10 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-40629
2026-10-03 Alias added: GHSA-xwfw-xfh4-73wv

References

Other 1

https://www.incibe.es/en/incibe-cert/notices/aviso/path-traversal-vulnerability-pnetlab

TI-2025-39455 pnetlab 5.3.11 is vulnerable to Command Injection via the qemu_options parameter. CVSS 3.1MEDIUM 6.5
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

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences