In 2007, it was the leading networking company in the small to medium business (SMB) segment worldwide, with a 21.9% market share.

[6] In April 2019, D-Link was named Gartner Peer Insights Customers’ Choice for Wired and Wireless LAN Access Infrastructure.

[clarification needed] In 2021, D-Link announced that it had become the agent for international information security brand Cyberbit in Taiwan, and it launched the new EAGLE PRO AI series transforming home Wi-Fi experiences.

By passing a specific user agent in an HTTP request to the router, normal authentication is bypassed.

D-Link was also criticized for their response which was deemed confusing as to which models were affected and downplayed the seriousness of the risk.

[21] D-Link has denied these accusations and has enlisted Cause of Action Institute to file a motion against the FTC for their "baseless" charges.

[24] On 18 January 2021 Sven Krewitt, researcher at Risk Based Security, discovered multiple pre-authentication vulnerabilities in D-Link's DAP-2020 Wireless N Access Point product.

[25] D-Link confirmed these vulnerabilities in a support announcement and provided a patch to hot-fix the product's firmware.

[26] In April 2024, D-Link acknowledged a security vulnerability that affected all hardware revisions of four models of network attached storage devices.

[32] Following the judgement, D-Link agreed to a cease and desist request, ending distribution of the product, and paying legal costs.