D-Link camera can be hijacked to become a spy-cam

The company is working on a patch

D-Link is working to fix a weakness that allows attackers to take over remote control of one of its cameras so they can eavesdrop, and the company is checking whether others of its products have similar vulnerabilities.

The vulnerability allows for the injection of malicious code and forces a password reset, which means attackers can gain remote access to the camera’s feed, thereby enabling eavesdropping, according to Senrio, a startup that monitors devices, scores how vulnerable they are and alerts when it detects suspicious behavior.

It also means that regardless of how strong a password users set up, it can be overridden.

The camera – D-Link DCS-930L Network Cloud Camera – might not be the only device affected by the vulnerability, a spokesperson for Senrio says. “Senrio has also agreed to evaluate a number of additional D-link products to assess if the vulnerability can be found in the firmware in those items,” the spokesperson said in an email.

In response to questions about whether it knows about the problem and what customers should do D-Link issued this statement: “Security is the highest priority for D-Link and we are proactively working with the source of the report since receiving the inquiry to ensure that any vulnerabilities discovered are addressed.

“Once information and testing is completed, additional information will be made available to customers online at www.mydlink.com.”

Later the company sent an addendum: “We are continuing to monitor D-Link’s complete product portfolio to ensure that any vulnerabilities discovered are addressed.”

The weakness is in a service in the cameras firmware that processes remote commands, according to Senrio, and in working with D-Link has agreed not to detail the vulnerability nor to release the exploit code until after the camera maker issues a patch, the spokesperson said.

Here’s what Senrio did say about the problem:

“This vulnerability can be exploited with a single command which contains custom assembly code and a string crafted to exercise the overflow. The function first copies the assembly code to a hard-set executable address. Next, the command triggers the stack overflow and sets the value of the functions return address to the address of the attacker’s assembly code. The vulnerability allows code injection and causes a password reset.”

Senrio says it notified D-Link before making its discovery public, but won’t say when, nor will it detail what its interactions have been since. “Out of respect for D-link, we are following their wishes to not disclose the timeline,” Senrio’s spokesperson says.

Join the Good Gear Guide newsletter!

Error: Please check your email address.

Tags D-Link

Our Back to Business guide highlights the best products for you to boost your productivity at home, on the road, at the office, or in the classroom.

Keep up with the latest tech news, reviews and previews by subscribing to the Good Gear Guide newsletter.

Tim Greene

Network World
Show Comments

Essentials

Lexar® JumpDrive® S57 USB 3.0 flash drive

Learn more >

Microsoft L5V-00027 Sculpt Ergonomic Keyboard Desktop

Learn more >

Mobile

Lexar® JumpDrive® S45 USB 3.0 flash drive 

Learn more >

Exec

Lexar® Professional 1800x microSDHC™/microSDXC™ UHS-II cards 

Learn more >

Audio-Technica ATH-ANC70 Noise Cancelling Headphones

Learn more >

HD Pan/Tilt Wi-Fi Camera with Night Vision NC450

Learn more >

Lexar® JumpDrive® C20c USB Type-C flash drive 

Learn more >

Budget

Back To Business Guide

Click for more ›

Most Popular Reviews

Latest News Articles

Resources

GGG Evaluation Team

Michael Hargreaves

Windows 10 for Business / Dell XPS

I’d happily recommend this touchscreen laptop and Windows 10 as a great way to get serious work done at a desk or on the road.

Aysha Strobbe

Windows 10 / HP Spectre

Ultimately, I think the Windows 10 environment is excellent for me as it caters for so many different uses. The inclusion of the Xbox app is also great for when you need some downtime too!

Mark Escubio

Windows 10 / Lenovo Yoga

For me, the Xbox Play Anywhere is a great new feature as it allows you to play your current Xbox games with higher resolutions and better graphics without forking out extra cash for another copy. Although available titles are still scarce, but I’m sure it will grow in time.

Kathy Cassidy

STYLISTIC Q702

First impression on unpacking the Q702 test unit was the solid feel and clean, minimalist styling.

Anthony Grifoni

STYLISTIC Q572

For work use, Microsoft Word and Excel programs pre-installed on the device are adequate for preparing short documents.

Featured Content

Latest Jobs

Don’t have an account? Sign up here

Don't have an account? Sign up now

Forgot password?