Networking device manufacturer Netgear released firmware updates for several router models in order to patch a critical vulnerability that’s publicly known and could be exploited by hackers.

The vulnerability was disclosed by a researcher Friday and affects multiple Netgear router models, many from the company’s Nighthawk series. The company initially confirmed the flaw in three models—R6400, R7000, R8000—but it has since expanded the list to include five more.

The models confirmed to be affected so far are: R6250, R6400, R6700, R7000, R7100LG, R7300, R7900, and R8000. This list might not be complete as Netgear continues to analyze the flaw’s impact to its entire router portfolio.

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