CVE-2026-15409: SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability
Vulnerability summary
CVE-2026-15409 is a critical (CVSS 10.0) Server-Side Request Forgery (SSRF) vulnerability in SonicWall SMA1000 Appliances. It is known to be exploited: CISA lists it, first on 14-07-2026. It has been used in ransomware campaigns. EPSS estimates a 6.79% chance of exploitation in the next 30 days, higher than 93.9% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 14-07-2026PublishedVulnerability first disclosed.
- 14-07-2026Added to CISA KEVSonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability
- 17-07-2026CISA remediation dueApply mitigations per vendor instructions.
- 04-08-2026Last modifiedVulnerability information updated.
Description
A Server-side request forgery (SSRF) vulnerability has been identified in the SMA1000 Appliance Work Place interface. A remote unauthenticated attacker could potentially cause the appliance to make requests to unintended location.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST10.0CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS trend
Probability
6.79%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
-77.74 pp
From 84.54% on 18-09-2026
Known exploited
Compare KEV catalogs- Added
- 14-07-2026
- Federal due date
- 17-07-2026
CISA required action
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. psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0008 nvd.nist.gov/vuln/detail/CVE-2026-15409
Public exploits
1 foundSonicWall SMA1000 WorkPlace wsproxy SSRF Remote Command Execution
exploit/linux/http/sonicwall_sma1000_wsproxy_rce
Maturity: weaponized
Weaknesses
CWE · root causeAffected systems
Sonicwall4 products
- sma1000_firmware≥ 12.4.3-03245, ≤ 12.4.3-03434 | ≥ 12.5.0-02283, ≤ 12.5.0-02800
- sma6210_firmware12.4.3-03245 | 12.4.3-03387 | 12.4.3-03434 | 12.5.0-02283 | 12.5.0-02624 | 12.5.0-02800
- sma7210_firmware12.4.3-03245 | 12.4.3-03387 | 12.4.3-03434 | 12.5.0-02283 | 12.5.0-02624 | 12.5.0-02800
- sma8200v12.4.3-03245 | 12.4.3-03387 | 12.4.3-03434 | 12.5.0-02283 | 12.5.0-02624 | 12.5.0-02800
1 vendor · 4 products
References
2 links- psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0008Vendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-15409Government ResourceUS Government Resource