https://community.checkpoint.com/t5/Spark-Firewall-SMB/Fix-for-Possible-CPU-Instability-in-1600-1800-Quantum-Spark/m-p/155089#M7234 <P>There is a hardware issue on the 1600 and 1800 appliances which may cause a malfunction on appliances shipped before January 2022.<BR />The issue can be resolved by doing a firmware upgrade from <A href="https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&amp;solutionid=sk179604" target="_self">sk179604</A>.<BR />Note this is a "uboot" firmware image and is specific to the base firmware installed, as noted in the SK.&nbsp;</P> Tue, 16 Aug 2022 18:51:04 GMT PhoneBoy 2022-08-16T18:51:04Z https://community.checkpoint.com/t5/Spark-Firewall-SMB/Fix-for-Possible-CPU-Instability-in-1600-1800-Quantum-Spark/m-p/155089#M7234 <P>There is a hardware issue on the 1600 and 1800 appliances which may cause a malfunction on appliances shipped before January 2022.<BR />The issue can be resolved by doing a firmware upgrade from <A href="https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&amp;solutionid=sk179604" target="_self">sk179604</A>.<BR />Note this is a "uboot" firmware image and is specific to the base firmware installed, as noted in the SK.&nbsp;</P> Tue, 16 Aug 2022 18:51:04 GMT https://community.checkpoint.com/t5/Spark-Firewall-SMB/Fix-for-Possible-CPU-Instability-in-1600-1800-Quantum-Spark/m-p/155089#M7234 PhoneBoy 2022-08-16T18:51:04Z