Home / Vulnerabilities / CVE-2026-15410
HIGH SEVERITY Ransomware Linked
CVE-2026-15410SonicWall · SMA1000 Appliances

SonicWall SMA1000 Appliances Code Injection Vulnerability

Critical Threat Advisory: This vulnerability is documented in active Ransomware campaigns. Immediate remediation required.

Technical Severity

CVSS v3.1 Metrics

HIGH
7.2 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Exploitation Likelihood

EPSS Prediction

11.79 %
Predictive Probability
Percentile Rank
95.8 th

Documented as more likely to be exploited than 95.8% of known CVEs.

Detection Date

Jul 14, 2026

Remediation Due

Jul 17, 2026

CISA Catalog Active

Threat Analysis

SonicWall SMA1000 Appliances contain a code injection vulnerability which in specific conditions could potentially enable a remote authenticated attacker as administrator to execute arbitrary OS commands.

Remediation Directive

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

External Intelligence

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0008

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0008

CISA

CISA Advisory

https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk

CISA

CISA Advisory

https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2026-15410