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CVE-2026-0401 Details
Description
A post-authentication NULL Pointer Dereference vulnerability in SonicOS allows a remote attacker to crash a firewall.
A post-authentication NULL Pointer Dereference vulnerability has been identified in SonicWall SonicOS. This vulnerability allows remote attackers to cause a crash on the affected firewall. It is present in multiple Gen7 and Gen8 hardware and virtual firewalls, specifically in certain models within the TZ and NSa series, as well as in the NSv virtual firewalls. The vulnerability affects versions 7.0.1-5169 and older, as well as 8.1.0-8017 and older.
Users can upgrade to SonicOS version 7.3.2-7010 or higher for Gen7 firewalls, and version 8.2.0-8009 or higher for Gen8 firewalls.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Feb 24, 2026Exploitation: NoneAutomatable: NoTechnical Impact: Partial
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0001 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-476 | NULL Pointer Dereference | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| sonicwall sonicos | < 7.3.2-7010 < 8.2.0-8009 |
CPE
Remediation
| |
| sonicwall nsa 2700 | All versions |
CPE
Remediation
| |
| sonicwall nsa 3700 | All versions |
CPE
Remediation
| |
| sonicwall nsa 4700 | All versions |
CPE
Remediation
| |
| sonicwall nsa 5700 | All versions |
CPE
Remediation
| |
| sonicwall nsa 6700 | All versions |
CPE
Remediation
| |
| sonicwall nssp 10700 | All versions |
CPE
Remediation
| |
| sonicwall nssp 11700 | All versions |
CPE
Remediation
| |
| sonicwall nssp 13700 | All versions |
CPE
Remediation
| |
| sonicwall nssp 15700 | All versions |
CPE
Remediation
| |
| sonicwall nsv270 | All versions |
CPE
Remediation
| |
| sonicwall nsv470 | All versions |
CPE
Remediation
| |
| sonicwall nsv870 | All versions |
CPE
Remediation
| |
| sonicwall tz270 | All versions |
CPE
Remediation
| |
| sonicwall tz270w | All versions |
CPE
Remediation
| |
| sonicwall tz370 | All versions |
CPE
Remediation
| |
| sonicwall tz370w | All versions |
CPE
Remediation
| |
| sonicwall tz470 | All versions |
CPE
Remediation
| |
| sonicwall tz470w | All versions |
CPE
Remediation
| |
| sonicwall tz570 | All versions |
CPE
Remediation
| |
| sonicwall tz570p | All versions |
CPE
Remediation
| |
| sonicwall tz570w | All versions |
CPE
Remediation
| |
| sonicwall tz670 | All versions |
CPE
Remediation
| |
| sonicwall nsa 2800 | All versions |
CPE
Remediation
| |
| sonicwall nsa 3800 | All versions |
CPE
Remediation
| |
| sonicwall nsa 4800 | All versions |
CPE
Remediation
| |
| sonicwall nsa 5800 | All versions |
CPE
Remediation
| |
| sonicwall tz280 | All versions |
CPE
Remediation
| |
| sonicwall tz380 | All versions |
CPE
Remediation
| |
| sonicwall tz480 | All versions |
CPE
Remediation
| |
| sonicwall tz580 | All versions |
CPE
Remediation
| |
| sonicwall tz680 | All versions |
CPE
Remediation
| |
| sonicwall tz80 | All versions |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Feb 26, 2026 | Initial Analysis | [email protected] |
| Feb 24, 2026 | CVE Modified | CISA-ADP |
| Feb 24, 2026 | New CVE Received | [email protected] |