Your data is at risk: If you have any products from Western Digital or D-Link stop using then immediately and read this first

Your data is at risk: If you have any products from Western Digital or D-Link stop using then immediately and read this first

Our cybersecurity team found a massive security flaw inside Western Digital Storage Devices acting like a backdoor.
The vulnerability is putting at risk a broad array of devices having WDMyCloud firmware prior v.20.30.165 on it: MyCloud, MyCloudMirror, My Cloud Gen 2, My Cloud PR2100, My Cloud PR4100, My Cloud EX2 Ultra, My Cloud EX2, My Cloud EX4, My Cloud EX2100, My Cloud EX4100, My Cloud DL2100, and My Cloud DL4100.

The flaw can be used remotely, compromising even the company best selling products as WD My Cloud which is the no.1 in selling on Amazon for NAS (network attached storage).
The bug responsible for creating this backdoor capability, found by our skilled researchers, is an improper use of the PHP gethostbyaddr() function.
This function can be used by a cybercriminal to declare his remote auth server which allows him to upload any file he wants on a compromised storage device.

The function is exploited this way: inside of the code embedded in WD firmware, there are specific line codes that look for a particular user name: mydlinkBRionyg and requesting a particular password: abc12345cba.

Those line of codes could be easily abused with root shellcode and efficiently execute any command without demanding any authorization. Our cybersecurity team found multiple ways of taking advantage of this vulnerability, one of the most interesting is that a storage device could be attacked even if it was not connected to the internet. Operating only inside a LAN, the problem appears when just a single computer inside that network is connected to the internet and accessing a designated site with an embedded iframe or img tag that makes a request using one of the default hostname such wdmycloud, wdmycloudmirror.

To make this even more dangerous situation a similar vulnerability was found, at the same time as the one in WD devices, in D-Link routers, many of them being capable of supporting NAS devices.
Now you can see the bigger picture, 2 of the most popular devices vulnerable, both working sides by side offering extended unrestricted access to the whole network without any authorization.

Our top cybersecurity analyst says ” It is unlikely to encounter many situations like this where popular products share big vulnerabilities that make cybercriminals days easier, but as you can see they will leave your data exposed. This is why every user should keep devices up to date and always have multiple layers of security on their grid, keeping their devices protected with top antivirus software for example!”

Download CyberByte antivirus for Mac directly from the Apple Mac Appstore

Regular users are the most affected by malware this day because most of them do not care about what antivirus they have installed in their systems.
Users can download antivirus developed by our company directly by clicking the download banner from the end of the page.
Our free download antivirus can help users to protect their Mac or Windows devices against malware and adware.
We offer a free antivirus one day license to all our users who want to test the full power of our antivirus solution.
Our antivirus can detect a vast spectrum of threats, from dangerous malware to nasty browsers extensions used for mining the crypto-currency.

The antivirus our company is offered is a certified product of OPSWAT.

Most of the companies don't care about cybersecurity until they suffer a breach.
A healthy company must perform a penetration test from time to time. The penetration test must execute against all the assets of the company, including the workers who are the most vulnerable to the social engineering attacks.
A penetration test can be done either by a security specialist from inside of the company or by hiring an external cyber security company who can take care of everything.
Besides penetration test, a company must have a minimum healthy cybersecurity system installed like antivirus or firewall.
CyberByte company can perform various penetration tests on all the spectrum of PCI/DSS compliance to the red team, perimeter testing, and social engineering.
We also provide services to employee profiling and cyber threat monitoring, since most of the data breaches this day come from the inside of the company.
To check our penetration test services go to the Services tab from the main menu.

Windows users can download free antivirus solution CyberByte by clicking the banner. The free antivirus will help you to know if your PC is infected. Windows free antivirus of CyberByte is an awarded software for malware detection.

Mac / MacOS / OS X users can download free Mac antivirus solution CyberByte by clicking the banner. The free antivirus will help you to know if your Mac is infected. MacOS / OS X free antivirus of CyberByte is an awarded software for malware detection. The free antivirus for Mac is available for new MacOS and older OS X versions.

Features of CyberByte™ antivirus:

  • Protects you from all kind of threats
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  • Active live protection from background
  • Certified Threat Detector by OPSWAT
  • Easy to Install
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  • Incredible value for money

Invisible, protecting you from behind the scenes - You will not feel it is installed on your computer, easy on the resources, like a protection software should be.

Original technology that combines behavioral heuristic analysis with powerful signatures database – the CyberByte™ Protection Engine  delivers top of the line protection in an instant.

Fastest scanning times in the market – your time is precious, but also so is your digital life – CyberByte™ delivers fast scanning saving both time and your valuable data.

Don’t negotiate with ransomware cyber terrorists – keep your Mac safe and don’t ever end up paying for what is already yours.

Protect others as well – the CyberByte™ Protection Engine  not only detects the threat but stops it from spreading to other Macs or Windows machines.

Don’t let strangers use your resources – more than 80% of the attacks are crypto mining driven. Are you sure your computer is not mining for crypto while you read this text?

Our malware protection will continuously look after your device providing the best security against viruses. Give us the chance to prove it by downloading the antivirus for your device.

CyberByte Antivirus is a certified product by OPSWAT (OPSWAT is a San Francisco-based software company that provides solutions to secure and manage IT infrastructure. Founded in 2002, OPSWAT delivers solutions that provide manageability of endpoints and networks, and that help organizations protect against
zero-day attacks by using multiple antivirus engine scanning and document sanitization.
To learn more about OPSWAT’s innovative and unique solutions, please visit

CyberByte Antivirus comes in two flavors:
MacOS Version - the free download Mac antivirus available on our website (
Windows Version - the free download Windows antivirus available on our website (

The procedure is simple:
Just free download antivirus from CyberByte website either for Mac or Windows.
Install it using the antivirus installer package.
Windows and Mac users will free malware scan their devices. The scan duration depends on how many files the end user has.
CyberByte antivirus will show if any files are infected after the scan is finished.


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