SonicWall's official notice, published this week, says users should update to the latest hotfix versions immediately and restrict access to the Appliance Management Console to trusted networks. The vendor's PSIRT team says the issue affects only SMA 1000 appliances and does not impact other SonicWall firewall products or SSL VPN functions, but the fact that attackers have already begun exploiting the flaw underscores how exposed remote-access infrastructure remains.