CVE-2026-15409
Actively exploited. CVE-2026-15409 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-07-14) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2026-15409 is indexed in GitHub PoC and Nuclei. Expect opportunistic scanning and exploitation attempts — prioritize remediation.
Serial number: AV26-699 Date: July 14, 2026 On July 14, 2026, SonicWall published a security advisory to address critical vulnerabilities in the following products: SMA1000 Models (6210, 7210 & 8200v) - version 12.4.3-03245, 12.4.3-03387 and 12.4.3-03434 ( platform-hotfix ) SMA1000 Models (6210, 7210 & 8200v) - version 12.5.0-02283, 12.5.0-02624 and 12.5.0-02800 ( platform-hotfix ) SonicWall indicates that CVE-2026-15409 and CVE-2026-15410 are being exploited. Update 1 On July 14, 2026, Cybersecurity and Infrastructure Security Agency (CISA) added CVE-2026-15409 and CVE-2026-15410 to their Known Exploited Vulnerabilities (KEV) Database. The Cyber Centre encourages users and administrators to review the provided web links and apply the necessary updates. SonicWall SMA1000 Series Appliances Affected By Multiple Vulnerabilities SonicWall Security Advisories CISA KEV: CVE-2026-15409 CISA KEV: CVE-2026-15410
CSIRTS triage
- What
- Multiple vulnerabilities exist in SonicWall SMA1000 Series Products that have been exploited.
- Who is affected
- All deployments of SMA1000 Series Products are affected by these vulnerabilities.
- Urgency
- Immediate remediation is necessary due to active exploitation of the vulnerabilities.
- Action
- Update to the latest firmware version to mitigate these vulnerabilities.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 100% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2026-15409 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- GitHub PoCPublic proof-of-concept repositories on GitHub reference this CVE.look it up ↗
- NucleiA nuclei-templates detection/PoC template exists for this CVE.look it up ↗
Advisory coverage (9)
- critical[NEW] [critical] SonicWall SMA: Multiple vulnerabilitiescert-bund · 2026-07-15
- unknownexploitedNCSC-2026-0239 [1.00] [H/H] Zero-Day vulnerabilities fixed in SonicWall SMA1000ncsc-nl · 2026-07-15
- unknownSonicWall SMA1000 Series Products Multiple Vulnerabilitieshkcert · 2026-07-15
- unknownexploitedMultiple vulnerabilities in Secure Mobile Access (July 15, 2026)cert-fr-alerte · 2026-07-15
- unknownexploitedMultiple vulnerabilities in Sonicwall Secure Mobile Access 1000 (July 15, 2026)cert-fr-avis · 2026-07-15
- criticalexploitedSonicWall security advisory (AV26-699) – Update 1cccs · 2026-07-14
- criticalexploitedCVE-2026-15409: A Server-side request forgery (SSRF) vulnerability has been identified in the SMA1000 Applianc…nvd · 2026-07-14
- criticalexploitedCISA Adds Four Known Exploited Vulnerabilities to Catalogcisa · 2026-07-14
- criticalexploitedCVE-2026-15409: SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerabilitycisa-kev · 2026-07-14
External references
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[](https://www.csirts.com/cve/CVE-2026-15409)