Full Report
SonicWall security advisory (AV26-872)
Analysis Summary
# Vulnerability: SonicWall SMA 1000 Series Critical Flaws
## CVE Details
- **CVE ID:** CVE-2026-83548, CVE-2026-83549
- **CVSS Score:** Not explicitly listed in source (Typically Critical/High for these vectors)
- **CWE:** Not specified in the provided advisory
## Affected Systems
- **Products:** SonicWall SMA 1000 Series (6210, 7210, 8200v)
- **Versions:**
- 12.4.3-03453 (platform-hotfix) and older versions
- 12.5.0-02835 (platform-hotfix) and older versions
- **Configurations:** Applicable to all standard deployments of the listed versions.
## Vulnerability Description
While the specific technical mechanics (e.g., buffer overflow, injection, etc.) are not detailed in the brief advisory, these vulnerabilities affect the Secure Mobile Access (SMA) 1000 series platform, which provides VPN and remote access services. Historically, flaws in this product line involve bypasses or unauthorized access to internal resources.
## Exploitation
- **Status:** **Exploited in the wild.** SonicWall indicates that these vulnerabilities are currently being leveraged by attackers.
- **Complexity:** Not specified (Likely Low to Medium given active exploitation).
- **Attack Vector:** Network (Remote).
## Impact
- **Confidentiality:** High (Potential for unauthorized data access).
- **Integrity:** High (Potential for system modification).
- **Availability:** High (Potential for service disruption).
## Remediation
### Patches
SonicWall recommends updating to the latest firmware versions beyond those listed as vulnerable. Users should check the SonicWall Support portal for the specific platform-hotfixes released after:
- **For 12.4.x:** Apply hotfix later than 12.4.3-03453.
- **For 12.5.x:** Apply hotfix later than 12.5.0-02835.
### Workarounds
No specific workarounds are provided; immediate patching is the recommended course of action due to active exploitation.
## Detection
- **Indicators of compromise:** Monitor for unusual administrative logins, unauthorized configuration changes, or anomalous traffic originating from the SMA appliance.
- **Detection methods and tools:** Review SMA logs for access attempts from unknown IPs and correlate with known SonicWall PSIRT bulletins.
## References
- **Vendor Advisory:** hxxps[://]psirt[.]global[.]sonicwall[.]com/vuln-detail/SNWLID-2026-0016
- **General Advisories:** hxxps[://]psirt[.]global[.]sonicwall[.]com/
- **Original Bulletin:** hxxps[://]www[.]cyber[.]gc[.]ca/en/alerts-advisories/sonicwall-security-advisory-av26-872