CVE-2026-66153 — HIGH (7.0)

Vulnerability Description

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

CVSS Score

7.0

HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-59

References

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0013

FAQ

What is CVE-2026-66153?

CVE-2026-66153 is a vulnerability with a CVSS score of 7.0 (HIGH). The NEService auto-upgrade process insecurely handles temporary files in SonicWall NetExtender Linux client which allows an attacker to manipulate file paths.

How severe is CVE-2026-66153?

CVE-2026-66153 has been rated HIGH with a CVSS base score of 7.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-66153?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.