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CVE-2026-15409: SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability

criticalknown exploitedpublic exploitCVE-2026-15409
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
SonicWall SMA1000 Appliances contain a server-side request forgery vulnerability that could allow a remote unauthenticated attacker to potentially cause the appliance to make requests to unintended location.

CSIRTS triage

What
SonicWall SMA1000 Appliances contain a server-side request forgery vulnerability that could allow remote unauthenticated access.
Who is affected
Users of SonicWall SMA1000 Appliances.
Urgency
Remediation is urgent due to active exploitation of this critical vulnerability.
Action
Users should apply the latest patches provided by SonicWall.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2026-07-14
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-15409

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-15409coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for SonicWall SMA1000 Appliances

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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