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SonicWallCVE-2026-66153

SonicWall NetExtender: link following

High7.0CVE-2026-66153 · Published Aug 25, 2026 · updated Aug 28, 2026

The NEService auto-upgrade process insecurely handles temporary files in SonicWall NetExtender Linux client which allows an attacker to manipulate file paths.

SonicWall advisory

Affected versions

PackageAffectedFixed in
NetExtender
Product
<= 10.3.5 and earlier versionsNo fix yet
Details and references
CVSS 3.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity from
CISA (its enrichment of the CVE record)
Weakness
CWE-59

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