November 28, 2021

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Living on a prayer? Netgear not quite midway there with spots for 28 out of 79 susceptible router designs

Living on a prayer? Netgear not quite midway there with spots for 28 out of 79 susceptible router designs
Netgear has now patched 28 out of 79 vulnerable router models, six months after infosec researchers first noticed security problems potentially allowing an attacker to remotely execute code as root. The latest hotfixes come after two models were fixed earlier in June. The vulnerability in question could, for example, allow the opening of a superuser-level…

Netgear has now patched 28 out of 79 susceptible router designs, 6 months after infosec researchers initially observed security problems possibly permitting an assailant to remotely carry out code as root.

The current hotfixes come after two designs were fixed earlier in June. The vulnerability in question could, for example, allow the opening of a superuser-level telnet backdoor, as we reported at the time

Over the past couple of weeks Netgear has actually been pushing out repairs, having so far plugged problems with 28 of the 79 models it states are impacted by the unwanted remote-superuser flaw.

The vulnerabilities, initially found by Trend Micro’s Zero Day Initiative (ZDI) in January, were implied to have been covered by 15 June. Netgear requested an extension at the end of Might for a further month, prompting the ZDI to publish an advisory note.

An infosec outfit called Grimm followed that up by launching live make use of code for 2 of the unfixed vulns, which stung Netgear into patching 2 gadgets early on.

” Multiple Netgear devices include a stack buffer overflow in the httpd web server’s handling of upgrade_check. cgi, which might allow for unauthenticated remote code execution with root opportunities,” stated America’s Carnegie-Mellon University in a note from its Software application Engineering Institute summing up the issue.

Essentially, an assaulter could bypass authentication and do whatever they pleased with your router, such as setting up malware to sniff out login creds. As ZDI’s Abdul-Aziz Hariri told us previously this month: “In the majority of scenarios, the assaulter would be able to potentially publish a customized backdoor software application and establish determination or launch more attacks, like man-in-the-middle attacks.”

The latest batch of hotfixes are offered on Netgear’s website, in addition to a health caution that complete regression testing hasn’t been performed on all the impacted gadgets.

Translation: it should not trigger issues, however your mileage may vary. This latest phrasing appears to leave out the word “beta” that was in the first version of the Netgear advisory as reported by El Reg on 19 June, potentially suggesting higher confidence in the stability of the hotfixes.

” Netgear plans to launch firmware updates that fix these vulnerabilities for all affected products that are within the security assistance duration,” the company said on its understanding base page. Whether your device is or is not supported, the company suggests confirming affected router models to make sure the integrated remote management entrance is handicapped.

” The Cybersecurity and Facilities Security Agency (CISA) motivates users and administrators to upgrade to the most recent firmware variation and to replace end-of-life gadgets that are no longer supported with security spots,” stated the US computer system security firm in a note released last night.

We have actually asked Netgear for in-depth comment on the length of time it seems to be taking to release hotfixes for all impacted routers. ®

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