I have switched off DNS rebind protection. It failed again. I am running top and ps every 5 seconds. Here are the last results before it became unresponsive.

e[He[JMem: 52948K use
d, 70636K free, 192K shrd, 7416K buff, 20072K cached
CPU:   0% usr   9% sys   0% nic  81% idle   0% io   0% irq   9% sirq
Load average: 0.56 0.56 0.50 1/51 846
e[7m  PID  PPID USER     STAT   VSZ %VSZ %CPU COMMANDe[m
  846   844 root     R     1224   1%   9% top -n 1
 2599     1 root     S     5600   5%   0% /usr/bin/gltertf
 2720     1 root     S     5336   4%   0% /usr/sbin/lighttpd -f /etc/lighttpd/li
 2728  2720 root     S     5088   4%   0% /www/api
 2536     1 root     S     4592   4%   0% /usr/sbin/wpa_supplicant -B -s -P /var
 2344     1 root     S     4568   4%   0% /usr/bin/gl_health
 1674     1 root     S     4488   4%   0% /usr/bin/gl_crond
 2407     1 root     S     4440   4%   0% /usr/sbin/hostapd -s -P /var/run/wifi-
 1887     1 root     S     4016   3%   0% /usr/sbin/usbmuxd --systemd
29111     1 dnsmasq  S     2748   2%   0% /usr/sbin/dnsmasq -C /var/etc/dnsmasq.
 1524     1 root     S     1748   1%   0% /sbin/netifd
 2403     1 root     S     1656   1%   0% /bin/sh /usr/bin/gl_monitor
    1     0 root     S     1568   1%   0% /sbin/procd
 1618     1 root     S     1444   1%   0% /usr/sbin/odhcpd
 2264     1 root     S     1416   1%   0% /bin/sh /usr/sbin/mwan3rtmon
 2975     1 root     S     1328   1%   0% /bin/sh /usr/sbin/mwan3track wwan wlan
 1194     1 root     S     1284   1%   0% /sbin/logd -S 64
 2895     1 root     S<    1224   1%   0% /usr/sbin/ntpd -n -N -S /usr/sbin/ntpd
 2496  1524 root     S     1224   1%   0% udhcpc -p /var/run/udhcpc-wlan-sta.pid
  843  2403 root     S     1224   1%   0% sleep 3

  PID USER       VSZ STAT COMMAND
    1 root      1568 S    /sbin/procd
    2 root         0 SW   [kthreadd]
    4 root         0 IW<  [kworker/0:0H]
    6 root         0 IW<  [mm_percpu_wq]
    7 root         0 SW   [ksoftirqd/0]
   90 root         0 SW   [oom_reaper]
   91 root         0 IW<  [writeback]
   93 root         0 SW   [kcompactd0]
   94 root         0 IW<  [crypto]
   96 root         0 IW<  [kblockd]
  108 root         0 IW<  [watchdogd]
  129 root         0 SW   [kswapd0]
  193 root         0 SW   [spi0]
  313 root         0 IW<  [ipv6_addrconf]
  326 root         0 IW<  [kworker/0:1H]
  392 root         0 IW<  [uas]
  467 root         0 SWN  [jffs2_gcd_mtd5]
  549 root      1208 S    /sbin/ubusd
  567 root       920 S    /sbin/askfirst /usr/libexec/login.sh
  617 root      1024 S    /sbin/urngd
  783 root      1224 S    sleep 5
  842 root      1224 S    sleep 5
  843 root      1224 S    sleep 3
  844 root      1144 S    /usr/sbin/dropbear -F -P /var/run/dropbear.1.pid -p
  845 root      1224 R    ps
  931 root         0 IW<  [cfg80211]
 1194 root      1284 S    /sbin/logd -S 64
 1323 root      1076 S    /usr/sbin/dropbear -F -P /var/run/dropbear.1.pid -p
 1524 root      1748 S    /sbin/netifd
 1618 root      1444 S    /usr/sbin/odhcpd
 1674 root      4488 S    /usr/bin/gl_crond
 1887 root      4016 S    /usr/sbin/usbmuxd --systemd
 2264 root      1416 S    /bin/sh /usr/sbin/mwan3rtmon
 2344 root      4568 S    /usr/bin/gl_health
 2403 root      1656 S    /bin/sh /usr/bin/gl_monitor
 2407 root      4440 S    /usr/sbin/hostapd -s -P /var/run/wifi-phy0.pid -B /v
 2496 root      1224 S    udhcpc -p /var/run/udhcpc-wlan-sta.pid -s /lib/netif
 2536 root      4592 S    /usr/sbin/wpa_supplicant -B -s -P /var/run/wpa_suppl
 2599 root      5600 S    /usr/bin/gltertf
 2720 root      5336 S    /usr/sbin/lighttpd -f /etc/lighttpd/lighttpd.conf
 2728 root      5088 S    /www/api
 2895 root      1224 S<   /usr/sbin/ntpd -n -N -S /usr/sbin/ntpd-hotplug -p 0.
 2975 root      1328 S    /bin/sh /usr/sbin/mwan3track wwan wlan-sta online 10
 5308 root         0 IW   [kworker/u2:1]
11796 root         0 IW   [kworker/u2:0]
29111 dnsmasq   2748 S    /usr/sbin/dnsmasq -C /var/etc/dnsmasq.conf.cfg01411c
29664 root         0 IW   [kworker/u2:2]
32732 root         0 IW   [kworker/0:1]
32733 root         0 IW   [kworker/0:3]