MA2500D web server broken after update to 2.0.14

Hello. I just updated my MA2500D's to FW 2.0.14 and the web server on both seem to be broken. I am afraid to reboot them in case the FW update is frozen and the will break if I disconnect the power. Please advise asap.

After uploading the file the browser window changed to...

doFormGetJSON(document.macInfo, "devStatus.html",function(data, nu) {macInfoVal = data.data; formLoad();}, function(data) {}, 0); progresCnt++; break; case 5: doFormGetJSON(document.frameInfo, "devStatus.html",function(data, nu) {frameInfoVal = data.data; formLoad();}, function(data) {}, 0); progresCnt++; break; case 6: doFormGetJSON(document.lof, "devStatus.html",function(data, nu) {lof

When I closed the page and opened it again it does prompt for the username and password but then I just see this....

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