CVE-2026-66152

Root-Write Path Traversal in SonicWall NetExtender Linux Client

Published Aug 25, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
A Path traversal vulnerability in the SonicWall NetExtender Linux client file extractor component allows an attacker to write arbitrary file as root.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Root-Write Path Traversal in SonicWall NetExtender Linux Client
Type Values Removed Values Added
Description A Path traversal vulnerability in OPSWAT tarball in the SonicWall NetExtender Linux client allows an attacker to write arbitrary file as root. A Path traversal vulnerability in the SonicWall NetExtender Linux client file extractor component allows an attacker to write arbitrary file as root.
Type Values Removed Values Added
Title Root File Replacement via Path Traversal in SonicWall NetExtender Linux Client
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Sonicwall
Sonicwall netextender
Vendors & Products Sonicwall
Sonicwall netextender
Type Values Removed Values Added
Title Root File Replacement via Path Traversal in SonicWall NetExtender Linux Client
Type Values Removed Values Added
Description A Path traversal vulnerability in OPSWAT tarball in the SonicWall NetExtender Linux client allows an attacker to write arbitrary file as root.
Weaknesses CWE-29
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
sonicwall
Published
Updated
Aug 31, 2026, 4:20 PM
Reserved
Jul 24, 2026, 8:34 AM
Status
Awaiting Analysis
Published
Aug 25, 2026, 8:17 PM
Modified
Aug 31, 2026, 5:17 PM