Description
The NEService auto-upgrade process insecurely handles temporary files in SonicWall NetExtender Linux client which allows an attacker to manipulate file paths.
Published: 2026-08-25
Score: 7 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Wed, 26 Aug 2026 15:30:00 +0000

Type Values Removed Values Added
Title Insecure Temporary File Handling in SonicWall NetExtender Auto‑Upgrade Path Traversal

Wed, 26 Aug 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

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


Tue, 25 Aug 2026 22:30:00 +0000

Type Values Removed Values Added
Title Insecure Temporary File Handling in SonicWall NetExtender Auto‑Upgrade Path Traversal

Tue, 25 Aug 2026 22:15:00 +0000

Type Values Removed Values Added
First Time appeared Sonicwall
Sonicwall netextender
Vendors & Products Sonicwall
Sonicwall netextender

Tue, 25 Aug 2026 20:15:00 +0000

Type Values Removed Values Added
Description The NEService auto-upgrade process insecurely handles temporary files in SonicWall NetExtender Linux client which allows an attacker to manipulate file paths.
Weaknesses CWE-59
References

Subscriptions

Sonicwall Netextender
cve-icon MITRE

Status: PUBLISHED

Assigner: sonicwall

Published:

Updated: 2026-08-27T03:55:46.887Z

Reserved: 2026-07-24T08:34:11.798Z

Link: CVE-2026-66153

cve-icon Vulnrichment

Updated: 2026-08-26T12:23:33.475Z

cve-icon NVD

Status : Received

Published: 2026-08-25T20:17:01.270

Modified: 2026-08-27T04:16:45.300

Link: CVE-2026-66153

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-26T15:15:07Z

Weaknesses
  • CWE-59

    Improper Link Resolution Before File Access ('Link Following')