CVE-2026-66152
Received Received - Intake

Path Traversal in SonicWall NetExtender Linux Client via OPSWAT Tarball

Publication date: 2026-08-25

Last updated on: 2026-08-25

Assigner: SonicWALL, Inc.

Description
A Path traversal vulnerability in OPSWAT tarball in the SonicWall NetExtender Linux client allows an attacker to write arbitrary file as root.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-08-25
Last Modified
2026-08-25
Generated
2026-08-26
AI Q&A
2026-08-25
EPSS Evaluated
N/A
NVD
CVE-2026-66152
EUVD
EUVD-2026-65747

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
sonicwall netextender *

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-29 The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize '\..\filename' (leading backslash dot dot) sequences that can resolve to a location that is outside of that directory.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability is a path traversal issue in the OPSWAT tarball component of the SonicWall NetExtender Linux client. It allows an attacker to write arbitrary files with root privileges by exploiting improper path validation.

Impact Analysis

An attacker could exploit this to overwrite critical system files, install malware, escalate privileges, or gain full control of the affected Linux system running SonicWall NetExtender.

Compliance Impact

This vulnerability could lead to unauthorized file access or modification, potentially violating data integrity and confidentiality requirements under GDPR and HIPAA. Organizations may face compliance violations if exploited.

Mitigation Strategies

Update the SonicWall NetExtender Linux client to the latest version provided by SonicWall to patch the path traversal vulnerability.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-66152. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart