7.0highHigh

CVE-2026-66153

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

What the metrics mean

  • It is requires local access to the machine.
  • For an attacker who can reach it, exploitation depends on conditions outside the attacker's control.
  • To exploit it, an ordinary user account is needed.
  • Beyond that, no action by a user is required.

Scoring

CVSS
7.0 (v3.1)
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-59
Assigned by
PSIRT@sonicwall.com

Dates

Published
2026-08-25
Last modified
2026-08-28
Sources
NVD

References