CVE-2026-83548
SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 5 September 2026). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
A Pre-authentication SSRF vulnerability exists in the SMA1000 Appliance Work Place interface due to an unintended alternate access path. A remote unauthenticated attacker could potentially exploit this vulnerability to gain unauthorized access to sensitive functionality and perform unauthorized operations.
- CVSS 3.1
- 10.0 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 4.67% probability · 91th percentile
- CISA KEV
- Listed 2 September 2026 · due 5 September 2026
- Weakness
- CWE-441, CWE-918
- Affected
- sonicwall/sma8200v · sonicwall/sma6210 firmware · sonicwall/sma7210 firmware
- Source
- PSIRT@sonicwall.com
CISA notes
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. https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0016 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-83548
References
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0016Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-83548US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.