Canon Printers Expose WiFi Details
- Canon has warned its users about a security problem in nearly 200 models.
- The bug may expose network information such as passwords, network names, MAC addresses and network types (WPA2/3, etc.).The bug can expose network details such as password, network SSID, MAC address and type of network (WPA2/3, etc.).
- You can fix this problem by reading on.
Canon has warned about security issues arising from a vulnerability in its inkjet printing devices. The Japanese company warned users that WiFi settings in the printers would not be deleted even if they factory reset the device.
The sensitive WiFi settings can potentially compromise user privacy, and even impact data security if the printer’s memory is harvested unintentionally by someone who resets it.
Users are advised to remove WiFi settings manually before disposing inkjet printers or sending them in for repair. This will prevent accidentally exposing information such as password, network SSIDs, MAC addresses, network types (WPA2/3,etc.).), IP address, and more.
There are 196 affected models. These include inkjets, business inkjets, large-format printers, and models from the E, GX and PRO series. List of affected models Here is a link to the article.
Threat actors could infiltrate a network by using the details of the Canon printers that have not been deleted. They would then be able to access other devices and network resources.
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Roger Grimes is a data-driven security evangelist for KnowBe4 and has an opposing opinion.
“This is pretty low risk,” Grimes told Spiceworks. “I can imagine some people not being happy that someone else has access to their wireless network, but decades of experience have shown us that unauthorized wireless access hasn’t been the huge threat we have all worried about for a long time.”
“In fact, I have many friends who don’t secure their WiFi (at home) and don’t end up encumbering any problems. I think someone would have to think hard to come up with a supposed edge case that really was a problem,” Grimes continued.
“In this case, you’re talking about someone possibly reconnecting an old printer to an unauthorized network. What happens if they do? What can be done? They can’t even grab print jobs out of the air. Other than it being an information event, there is very low risk.”
Canon has nevertheless advised users to follow the mitigation or remediation steps in the prescribed order.
- Reset all settings (Reset settings ‐> Reset all).
- Turn on the wireless LAN.
- Reset all settings once more.
Canon recommends the following for models without the Reset All Settings function:
- Reset LAN settings.
- Turn on the wireless LAN.
- Reset the LAN settings once more.
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Image source: Flickr
VULNERABILITY MANAGERY: MORE INFORMATION
