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CVE-2026-15409

Exploitation: active CVSS 10.0 CRITICAL Ransomware: known use

CVSS base score: 10.0 (Critical) CISA · v3.1

Score assigned by CISA's Vulnrichment program; the vendor's CVE record did not include one.

SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability

Vendor: SonicWall   Product: SMA1000 Appliances

Description

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.

Lifecycle Timeline

Each milestone comes from a different source, so gaps between them are gaps in what those sources publish, not evidence that nothing happened. EPSS history for this CVE holds 22 points from 2026-07-18, tracked daily from 2026-09-09; earlier points are weekly, which dates a spike to within a week. Peak probability 84.5% on 2026-09-11.

Published Applicability

CVE List v5 (CNA container) 2 affected · 0 fixed · 0 not affected

Check whether a specific version is affected →

What each source publishes about which product versions carry this vulnerability, kept as written rather than merged. Absence here means no source has published applicability data, not that nothing is affected.

Research & News Coverage

DateSourceArticle
2026-07-20 Check Point Research 20th July – Threat Intelligence Report
2026-07-15 The Hacker News Two SonicWall SMA 1000 Zero-Days Exploited, One Could Enable Admin Commands

Articles from monitored vendor research blogs and security news feeds that specifically mention this CVE. Coverage begins when feed monitoring started; earlier articles are not indexed.

Detection & Exploitation

Scan
Exploit / Pen Test
Host / SIEM
none published

Coverage across public collections only: Nuclei and OpenVAS NVT (scan); Snort and Suricata ET Open (network); Sigma and YARA (host/SIEM); Metasploit, Exploit-DB and public GitHub repositories (exploit). Absence here means nothing public was found, not that detection is impossible.
GitHub PoC repositories are collected automatically by PoC-in-GitHub (CC0) and are not vetted: some are fakes and some are malware. Treat them as evidence that code was published, not as code to run.
OpenVAS coverage derives from the Greenbone Community Feed, made available under the Open Database License (ODbL) v1.0; its individual Vulnerability Tests are licensed GNU GPL v2.

CISA Assessment (Vulnrichment / SSVC)

active
yes
total
10.0 CRITICAL
—
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE-918 — Server-Side Request Forgery (SSRF)
2026-07-14

D3FEND Countermeasures

Defensive techniques inferred by MITRE D3FEND from the underlying weakness (CWE-918) — general hardening and detection guidance for this weakness class, not a vendor patch for this specific CVE.

KEV Catalog Status

2026-07-14
2026-07-17
Known

Listed By

SourceDateRecord
CISA KEV 2026-07-14 source record →
CISA Vulnrichment 2026-07-14 source record →

Referenced in Advisories

DateAdvisoryIssuer
2026-07-14 CISA Adds Four Known Exploited Vulnerabilities to Catalog CISA

Weaponization Timeline — Offensive & Testing Tools

DateToolEvidence qualityReference
— Metasploit Direct — curated exploit code SonicWall SMA1000 WorkPlace wsproxy SSRF Remote Command Execution

Evidence tiers are explained on the About page — a merged Metasploit module is far stronger evidence than a distro package mention.

External References