A quick way to do the remediation (CVE-2018-0171(smart install vulnerability))

Headline news posted by Reuters report that Iran hit by global cyber attack that left U.S. flag on screens. As we know, this vulnerability will be conducted the following:

  1. Triggering a reload of the device.
  2. Allowing the attacker to execute arbitrary code on the device.
  3. Causing an indefinite loop on the affected device that triggers a watchdog crash.

Perhaps the side effect of this vulnerability looks dangerous especially allowing the attacker to execute arbitrary code on the device.

But there is quick way to do the remedation of this vulnerability.

a. Go to your router configuration mode and input no vstack command.

b. Since victim report that a special message show on the console screen. And therefore it is recommended to use your ios backup file to replace existing ios.

For more details about the headline news report by Reuters. Please following below url for reference.