If your home wireless router's top 6 MAC address is C83a35 or 00b00c, be careful, because this means your router basic in the "naked", to "rub net clan" sing "Open the door welcome you". "If your first 6-bit MAC address (the location of your hardware, which defines your network device) is C83a35 or 00b00c, then you can calculate the pin directly from the software. "Netizen Zhao said in the forum, as long as the router Mac Top 6 is C83a35, then enter the six-bit Mac, use a specific software can be directly to the PIN (personal identification password) key.
Internet users explode "naked" mac number
At the same time, many users verify that the first six-bit Mac is 00b00c, can also be calculated to the exact pin value.
"Too bull, really naked running AH." Proven, accurate rate is very high! Many netizens after the experiment replies that the basic can be found in the community are using the bare-Ben address routers, using the calculation of the pin value of the software, a few minutes to go in the "rub the net."
The netizen who lives in Tianhe, "seven Wolves" told the reporter, he searched the signal to discover the 12 family wireless router WiFi signal in the community has three is the Mac top 6 is the c83a35 in "The Naked Rush".
Hacking means this is a very partial door.
"This method of directly calculating the PIN value through the MAC address is equivalent to not opening the door, but getting into it easily from somewhere else, very partial door, but very bull." "Information security experts said that the technical staff found the event in the forum immediately after the experiment, found that indeed, as netizens say, can easily crack pin key."
Experts say, a few months ago in foreign technology blog has seen similar technology, did not expect so quickly to the domestic, compared to the traditional attack on the main entrance of the crack method is more troublesome, roughly less than 10% can be cracked within 3 hours.
Vendor: Tracking identification
From the open IEEE Standard database information, C83a35 belongs to a Shenzhen company produced by a router, experts said that the company is now on the market, home wireless router, one of the mainstream manufacturers, so there should be a lot of citizens home routers will be affected.
Experts said that the experiment proved that the first six-bit MAC address is not C83a35 and 00b00c routers, with similar techniques are also quickly cracked, but the general can master these imitation technology are professionals, so the vast number of netizens do not have to worry too much.
On the router "naked" thing, router manufacturer Shenzhen, a company staff said, has not yet known, will report the relevant situation immediately to the technical department to track and identify, and issued countermeasures, as of yesterday five o'clock in the afternoon, the reporter has not received further reply.
Countermeasures:
Avoid router "streaking"
Experts recommend the following methods to avoid "streaking" the router:
1. Turn off the router's QSS (Fast security settings) feature, and change the factory default PIN for the router if it does need to be used.
2. With the use of a variety of traditional wireless network security means. For example: Turn on the Mac filter, only let the MAC address of the device network card through the router, and turn off DHCP automatic allocation, use manual settings or change the default network segment, change the router login password, regular replacement settings and so on.
3. If the first 6 digits of the router's MAC address are c83a35 or 00b00c, change the address immediately. The easiest way to view your home router Mac is to pick up the router, at the back or bottom of the router, with information such as Mac, PIN, and SN on the sticker.