VulnTideExploited vulnerabilities, by vendor. Data as of .
Not in CISA KEVPublished CVSS 9.1 criticalEPSS 0.7% probability of exploitation in 30 days
SonicWall

CVE-2026-66145: An unauthenticated remote code execution vulnerability was identified in GMS 9.5.1 (Build 9510.1044) and earlier vers…

Is it exploited?

Not on CISA's list. CISA has not added it to the Known Exploited Vulnerabilities catalog as of . If CISA adds it, this page shows it as known exploited.

How likely is exploitation in the next 30 days?
0.7%

EPSS score, percentile 51.7 of all scored records. A probability estimated by FIRST, not a report of exploitation.

How severe?
9.1 Critical

CVSS v3.1 base score, from CISA's enrichment of the record

What should I do?

CISA has set no required action, because the vulnerability is not in KEV.

Advisories and patches (1)

Which versions are affected?

Affected

  • 9.5.1 and earlier versions

Versions by product

Source: CISA KEV 2026.10.29, as of ; FIRST EPSS, as of ; CVE List, as of . About the data.

What to do

Advisories and patches

This summary is based on the CVE record as of . Check the vendor's advisory before you act: affected versions and fixes can change.

Affected products and versions

As listed in the CVE record.

SonicWall GMS
StatusVersions
Affected9.5.1 and earlier versions

Versions not listed are: unknown.

Source: CVE List, as of . About the data.

About this vulnerability

An unauthenticated remote code execution vulnerability was identified in GMS 9.5.1 (Build 9510.1044) and earlier versions which allows remote attacker to read sensitive data and perform arbitrary file write via zipslip.

Summary: CVE record, as of .

  • CISA has not added CVE-2026-66145 to its Known Exploited Vulnerabilities (KEV) catalog, as of 29 Oct 2026.
  • The CVE record was published on 11 Aug 2026.
  • The CVE record carries a CVSS v3.1 base score of 9.1 (Critical), taken from CISA's enrichment of the record.
  • FIRST's EPSS model puts the probability of exploitation in the next 30 days at 0.7% (percentile 51.7), as of 29 Oct 2026. EPSS is a statistical estimate, not a report of exploitation.
  • CISA's SSVC assessment in the CVE record: exploitation none, automatable yes, technical impact total.

Source: CISA KEV 2026.10.29, as of ; CVE List, as of ; FIRST EPSS, as of . About the data.

Description

An unauthenticated remote code execution vulnerability was identified in GMS 9.5.1 (Build 9510.1044) and earlier versions which allows remote attacker to read sensitive data and perform arbitrary file write via zipslip.

Source: CVE List, as of . About the data.

Weakness

CWE-94
  • CWE-94: Improper Control of Generation of Code ('Code Injection')

CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record.

Timeline

DateEvent
CVE record published
CVE record last updated

Known exploited SonicWall vulnerabilities

  • CVE-2026-83548: SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability (added )
  • CVE-2026-83549: SonicWall SMA1000 Appliances OS Command Injection Vulnerability (added )
  • CVE-2026-15409: SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability (added )
  • CVE-2026-15410: SonicWall SMA1000 Appliances Code Injection Vulnerability (added )
  • CVE-2025-40602: SonicWall SMA1000 Missing Authorization Vulnerability (added )