EELive Slides – /dev/ttyS0
Just got back from the EELive conference in San Jose – great talks, great people, and way better weather than we had back here on the east coast. For those interested, the slides for my talk, “Finding...
View ArticleHacking the D-Link DSP-W215 Smart Plug – /dev/ttyS0
The D-Link DSP-W215 Smart Plug is a wireless home automation device for monitoring and controlling electrical outlets. It isn’t readily available from Amazon or Best Buy yet, but the firmware is up on...
View ArticleHacking the DSP-W215, Again – /dev/ttyS0
D-Link recently released firmware v1.02 for the DSP-W215 to address the HNAP buffer overflow bug in my_cgi.cgi. Although they were quick to remove the download link for the new firmware (you must “Use...
View ArticleHacking the DSP-W215, Again, Again – /dev/ttyS0
Here we go again…again. In the last DSP-W215 exploit, I mentioned that the exploit’s POST parameter name had to be “storage_path” in order to prevent the get_input_entries function from crashing...
View ArticleHacking the DSP-W215, Again, Again, Again – /dev/ttyS0
So far, the vulnerabilities found in the DSP-W215 have only been practically exploitable from the LAN, unless someone was foolish enough to make their smart plug remotely accessible on the Internet....
View ArticleReversing D-Link’s WPS Pin Algorithm – /dev/ttyS0
While perusing the latest firmware for D-Link’s DIR-810L 80211ac router, I found an interesting bit of code in sbin/ncc, a binary which provides back-end services used by many other processes on the...
View ArticleReversing Belkin’s WPS Pin Algorithm – /dev/ttyS0
After finding D-Link’s WPS algorithm, I was curious to see which vendors might have similar algorithms, so I grabbed some Belkin firmware and started dissecting it. This particular firmware uses the...
View ArticleHacking the D-Link DIR-890L – /dev/ttyS0
The past 6 months have been incredibly busy, and I haven’t been keeping up with D-Link’s latest shenanigans. In need of some entertainment, I went to their web page today and was greeted by this...
View ArticleWhat the Ridiculous Fuck, D-Link?! – /dev/ttyS0
As mentioned in an update to my post on the HNAP bug in the DIR-890L, the same bug was reported earlier this year in the DIR-645, and a patch was released. D-Link has now released a patch for the...
View ArticleDefcon 24: Blinded By The Light – /dev/ttyS0
I won’t be at Defcon this year in body, but I’ll be there in spirit! I got to design the hardware used in @tb69rr’s and @bjt2n3904‘s Defcon talk, Blinded By The Light. A walk through of the hardware...
View Article