SonicWall SMA appliances targeted in zero-day attacks (CVE-2026-15409, CVE-2026-15410)

SonicWall has fixed two actively exploited vulnerabilities (CVE-2026-15409, CVE-2026-15410) affecting its Secure Mobile Access (SMA) 1000 Series appliances, and is urging customer organizations to upgrade to a fixed firmare version and search for evidence of potential compromise. If the outlined indicators of compromise are present on the system, the company advises re-imaging (hardware) or re-deploying (virtual) appliances, changing user and administrator passwords, and resetting TOTP tokens.