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Vulnerability Prompts Warning: Stop Using Netgear WiFi Routers

“By convincing a user to visit a specially crafted web site, a remote attacker may execute arbitrary commands with root privileges on affected routers,” warns a new vulnerability notice from Carnegie Mellon University’s CERT.
Slashdot reader chicksdaddy quotes Security Ledger’s story about certain models of Netgear’s routers:
Firmware version (and possibly earlier) for the R7000 and version (and possibly earlier) for the R6400 are known to contain the arbitrary command injection vulnerability. CERT cited “community reports” that indicate the R8000, firmware version, is also vulnerable… The flaw was found in new firmware that runs the Netgear R7000 and R6400 routers. Other models and firmware versions may also be affected, including the R8000 router, CMU CERT warned.

With no work around to the flaw, CERT recommended that Netgear customers disable their wifi router until a software patch from the company that addressed the hole was available… A search of the public internet using the Shodan search engine finds around 8,000 R6450 and R7000 devices that can be reached directly from the Internet and that would be vulnerable to takeover attacks. The vast majority of those are located in the United States.

Proof-of-concept exploit code was released by a Twitter user who, according to the article, said “he informed Netgear of the flaw more than four months ago, but did not hear back from the company since then.”

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