RV042G Firewall Page Issue

[TechnicalISN]

Hi,

I've been trying to fix this problem for weeks now and I can't seem to find a solution. Every time I hit the Firewall  - Access Rule page I'm getting an error  "502 Bad Gateway The CGI was not CGI/1.1 compliant". I tried restarting the router multiple times and updated the firmware from v4.2.3.07 to v4.2.3.08 but I can't get rid of this error and thus unable to make any changes. Is anyone here encountered this error message before?

[ktonev]

Hello,

Have you tried accessing this webpage with a different browser?

Have you tried accessing the Firewall section from a different port on the RV042G?

Regards,
Kristian