CVE-2026-66153
The NEService auto-upgrade process insecurely handles temporary files in SonicWall NetExtender...
The NEService auto-upgrade process insecurely handles temporary files in SonicWall NetExtender Linux client which allows an attacker to manipulate file paths.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
The NEService auto-upgrade process insecurely handles temporary files in SonicWall NetExtender Linux client which allows an attacker to manipulate file paths.
- Record
CVE-2026-66153- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-59
- Updated
- 2026-11-02
EUVDEUVD-2026-65960
The NEService auto-upgrade process insecurely handles temporary files in SonicWall NetExtender Linux client which allows an attacker to manipulate file paths.
- Record
EUVD-2026-65960- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-6xwp-x9rh-9cvm
The NEService auto-upgrade process insecurely handles temporary files in SonicWall NetExtender...
The NEService auto-upgrade process insecurely handles temporary files in SonicWall NetExtender Linux client which allows an attacker to manipulate file paths.
- Record
GHSA-6xwp-x9rh-9cvm- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-59
- Updated
- 2026-11-02
NVD
The NEService auto-upgrade process insecurely handles temporary files in SonicWall NetExtender Linux client which allows an attacker to manipulate file paths.
- Record
CVE-2026-66153- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-59
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-66153 is a high vulnerability (CVSS 7.0) in Sonicwall Netextender, published August 25, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.24%, the 14th percentile. No source names a fixed version.