High Threat Security Alert (A26-10-10): Multiple Vulnerabilities in SonicWall SMA1000 Series Appliances

Description:

SonicWall released security advisories to address multiple vulnerabilities in SonicWall systems. An attacker could exploit these vulnerabilities by sending specially crafted requests to an affected system.

Reports indicated that the vulnerability (CVE-2026-102255) are at high risk of exploitation. System administrators are advised to take immediate action to patch affected systems to mitigate the elevated risk of cyber attacks.

Affected Systems:

• SonicWall SMA1000 (6210, 7210, 8200v) versions 12.4.3-03526 (platform-hotfix) and prior
• SonicWall SMA1000 (6210, 7210, 8200v) versions 12.5.0-02952 (platform-hotfix) and prior

For detailed information of the affected systems, please refer to the corresponding security advisories at vendor's website.

Impact:

Successful exploitation of the vulnerabilities could lead to information disclosure, security restriction bypass, remote code execution, spoofing, denial of service or tampering on an affected system.

Recommendation:

Patches for affected systems are now available. Administrators of affected systems should follow the recommendations provided by the vendor and take immediate actions to mitigate the risk.

More Information:

• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0017
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-102255 (to CVE-2026-102258)