Vulnerabilities

Vulnerability · CVE-2026-83548

SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability

Published Sep 1, 2026 · catalog updated Sep 3, 2026 · SonicWall SMA1000 Appliances

Patch now

CVE-2026-83548 is in the CISA known-exploited catalog, due Sep 5, 2026. Confirm SonicWall SMA1000 Appliances against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Critical10.0
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
8.04%
Remediation
Remediation guidance
Affected products
cpe sonicwall/sma6210 firmware · cpe sonicwall/sma7210 firmware · cpe sonicwall/sma8200v · vendor SonicWall SMA1000 Appliances

Overview On September 1, 2026, SonicWall disclosed two vulnerabilities affecting SonicWall SMA1000 appliances that the vendor says are being actively exploited in the wild. The vulnerabilities, CVE-2026-83548 and CVE-2026-83549 , can be chained to achieve unauthenticated remote code execution (RCE) on affected appliances. CVE-2026-83548 is a critical pre-authentication server-side request forgery (SSRF) vulnerability in the SMA1000 Appliance Work Place interface. The flaw has a CVSS v3.1 base score of 10.0 and can allow a remote, unauthenticated attacker to access sensitive functionality and p

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe sonicwall/sma6210 firmwareversion unspecified
  • cpe sonicwall/sma7210 firmwareversion unspecified
  • cpe sonicwall/sma8200vversion unspecified
  • vendor SonicWall SMA1000 Appliancesversion unspecified

How to fix CVE-2026-83548

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2026-83548 is in the CISA known-exploited catalog, due Sep 5, 2026. Confirm SonicWall SMA1000 Appliances against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. 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.

What should an analyst verify?

CWE-441; CWE-918: Server-Side Request Forgery (SSRF). EPSS 8.04%. The CISA KEV listing is the exploitation evidence. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 1, 2026 · Catalog

    Detected

    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.

  2. Sep 2, 2026 · CISA KEV

    Known exploited

    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

  3. Sep 3, 2026 · Catalog

    Updated

    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.

  4. Sep 5, 2026 · CISA KEV

    Remediation due

    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

Sources

  • CISA KEVConfirmed exploitationCVE-2026-83548

    SonicWall SMA1000 Appliances contains a server-side request forgery vulnerability that could allow a remote unauthenticated attacker to gain unauthorized access to sensitive functionality and perform unauthorized operations.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2026-83548

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-83548

    30-day exploitation probability 8.0%

    first.org
  • Metasploit ModulesPublic exploit moduleexploit_linux/http/sonicwall_sma1000_couchdb_rce

    Public module reference (great). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDVulnerability recordCVE-2026-83548

    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 perfo

    nvd.nist.gov
  • Rapid7 Vulnerability DatabaseResearchCVE-2026-83548

    Overview On September 1, 2026, SonicWall disclosed two vulnerabilities affecting SonicWall SMA1000 appliances that the vendor says are being actively exploited in the wild. The vulnerabilities, CVE-2026-83548 and CVE-2026-83549 , can be chained to achieve unauthenticated remote code execution (RCE) on affected appliances. CVE-2026-83548 is a critical pre-authentication server-side request forgery

    rapid7.com
  • VulnCheck KEVConfirmed exploitationCVE-2026-83548

    SonicWall SMA1000 Appliances contains a server-side request forgery vulnerability that could allow a remote unauthenticated attacker to gain unauthorized access to sensitive functionality and perform unauthorized operations.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.