Questions tagged [router]

A router is a networking device that routes forwards between networks. A router generally has two or more data connections allowing data to be routed between networks.

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138
votes
3answers
26k views

Did I just get DNS Hijacked?

I went online on my Macbook today and noticed my iTunes complaining that it couldn't connect to Apple, I tried logging out and in of my account but weirdly it said it couldn't log in; I didn't think ...
98
votes
9answers
20k views

Buying a “Used” Router

I am buying a "new" router from an open-box sale at a company that liquidates eCommerce returns. Plan to use it for a home network at cottage. I'm a bit nervous that it could have been modified by ...
77
votes
17answers
23k views

Trying to keep high school students out of the Wi-Fi network

I'm a teacher and IT person at a small K-12 school. The students are not supposed to have phones, laptops or access to the network. However, students being students they will try to find a way around ...
69
votes
10answers
26k views

Is removing the Ethernet cable from the router (when I'm not using it) a good security measure?

I have here at home a router, like many people out there. The router is connected with an Ethernet cable that comes from the modem. But, to prevent hackers or anything else to try bothering me, if I'...
55
votes
13answers
9k views

Is it dangerous to use default router admin passwords if only trusted users are allowed on the network?

There are a lot of articles addressing the dangers of default router admin passwords. Certain security applications will also detect default router admin passwords as a vulnerability. However, these ...
53
votes
8answers
27k views

If I delete my router's history can my ISP still provide it to my parents?

If I delete my router's history, is it still visible and can my ISP still provide it to my parents? Or is it deleted from existence?
50
votes
5answers
12k views

Can someone without the WiFi login and no physical access to a router still access it with the admin login?

If you have a router with default login and password for the admin page, can a potential hacker gain access to it without first connecting to the LAN via the WiFi login?
42
votes
7answers
69k views

Somebody hacked my router and changed my wifi SSID

One of my neighbours hacked the password of my router and he uses my limited internet package. I change the wifi SSID almost daily, but he can hack it easily. Today, he changed the SSID to a hate ...
39
votes
4answers
7k views

Can a neighbour who installed my router access it?

I have a bit of a security concern. I'm concerned that my neighbor sees everything on my computer, web sites I have visited, my passwords, etc. Background: He installed a Linksys router in my house ...
36
votes
2answers
7k views

Is it safe to buy a router if its serial number and other details are exposed on the web?

I'm looking to buy a WiFi router on ebay, but the seller put a picture on the site of the router's backside, exposing information such as Serial number Part number MAC address Default password and ...
32
votes
4answers
4k views

Is it something to worry about when my browser warns me that my connection to 192.168.1.1 (router admin page) is not secure?

I got this "Not secure" warning when I'm trying to log in to my router (it's within my physical access). Apparently my router's management (admin) system doesn't have HTTPS. Chrome also says Your ...
30
votes
3answers
13k views

Danger of default router password

How bad is it to not change the default home router password? Are there any concrete dangers? Are there any attacks directly resulting out of the use of default passwords, not vulnerabilities in the ...
26
votes
9answers
34k views

What are the security implications if someone got my home WiFi network password?

I gave my WiFi password to a guest. I'm wondering how can he exploit this opportunity? Like, can he access my other devices localhost servers? Can he brute force to get the password of the router to ...
25
votes
4answers
4k views

Safe to download router firmware over unencrypted HTTP?

I went to download the latest firmware for my router and noticed the download link is not HTTPS, so I sent the following email to the manufacturer: I went to look for new firmware for my Archer C7 ...
24
votes
8answers
9k views

Is possible to get infected by only staying connected to the Internet (nothing else)?

I have a router and I'm the only user. I have a computer with Linux and a tablet with Windows 8.1. Because of a few problems, I had to reinstall Windows on the tablet. Since I'm a bit paranoid about ...
18
votes
3answers
4k views

Router being infected by malware

If you connect a computer that is infected with malware (the government grade, kernel infecting, extremely persistent, easily spreadable kind) to a router or modem, can the router or modem or its ...
17
votes
2answers
11k views

How to force clients to connect to WiFi automatically?

I have watched a hak5 YouTube that they did make people connect to their wifipineapple (a WiFi Honey pot) , and they stored the Wi-Fi hotspots, those the phone used to connect to. The historical ...
14
votes
2answers
730 views

Fully transparent proxy

By default mitmproxy will use its own local IP address for its server-side connections. What I want instead is mitmproxy to use the client’s IP address for server-side connections. The following ...
11
votes
4answers
7k views

Can I protect my router from a Mirai Worm and how do I know if I'm vulnerable?

Today this article was published by the BBC: Talk Talk and Post Office routers hit by cyber-attack. It states: It involves the use of a modified form of the Mirai worm - a type of malware that is ...
10
votes
2answers
9k views

Is someone able to hack my Facebook account knowing my Dynamic IP, PPPoE and mask?

I was using Facebook today and, after replying politely to someone about how stupid his comment on something was, Mr. John Doe, who I never met before, sent me this message: You wanna get hacked, ...
9
votes
3answers
6k views

Shellshock exploit on Linux Routers/Modems?

I am worried about the millions (actually, worried about mine) of routers/modems that run Linux. How exposed are they to Shellshock?
9
votes
3answers
2k views

How does Comcast know my WiFi password?

How does Comcast know my WiFi password? I generated it via KeePass and entered it into my Arris router/cable modem myself, and I bought the router used from a friend. When I went to the account web ...
9
votes
1answer
3k views

How do I deal with a compromised network device?

I suspect that a network device (modem, router. switch, access point, etc) is compromised. What should I do?
9
votes
4answers
1k views

Best practice for home router configuration

Having read about the large number of routers infected by Wifatch, I've realised I don't know how to check whether my router has been infected with this or more malicious malware or what I'd do about ...
8
votes
6answers
7k views

Dual Router Configuration

I have a home network that was hacked into recently. The people that got into my network actually accessed my personal files and although I cannot prove it, I think they might have stolen some of them....
8
votes
2answers
2k views

How to secure a modem/ wifi router without login?

A friend of mine has a DSL-modem/wifi-router from his ISP. The configuration page of the modem requires no login and no login can be set. It is said that there also exists a superuser but this is only ...
8
votes
4answers
3k views

How do CC servers communicate to botnet bots in a local network?

A more general question How do bots communicate in the Zeus botnet? doesn't really address my question. I'm trying to understand how a bot can communicate with command and control (CC) machine. On a ...
8
votes
3answers
10k views

Is there a way to block your ISP from controlling the password of your main router?

I got internet installed at my home earlier today by Bright House Networks. When I asked the installation technician about changing the router administration password, he said that he can change it ...
8
votes
1answer
124 views

Is it possible to determine router firmware version as a Wi-Fi client?

Let's say that I'm connected to some random Wi-Fi network and from that point I want to check the version of currently installed firmware, but let's exclude possibility of logging in with default ...
7
votes
2answers
230 views

How to recommend a (more) secure router

A colleague asked me to recommend a router for her small business. I asked her for a specification list, and on her list, she specifies secure. Well, we all know that nothing is completely secure in ...
7
votes
1answer
612 views

How can IoT and other network devices access the internet if my router works as a firewall?

My understanding is that routers act as natural firewalls. In that context, how can an IoT device receive commands from the WAN if they are not initiated from within the LAN? In a specific example, ...
7
votes
1answer
841 views

Second router setup for secure subnet

I have a BT Smart Hub as my router which has no guest network functionality, I also have a Netgear Nighthawk D7000. Initially I attempted to use only the D7000 and take advantage of the guest wifi ...
6
votes
3answers
2k views

Cannot identify or block unknown MAC addresses

I've only got a basic idea about networking, Google is my teacher. Router: Tenda D303 Location: India Connection: BSNL Unlimited 1Mbps broadband. Friends and relatives visit me often, and connect to ...
6
votes
2answers
9k views

How could a SYN flood affect a home router

I was curious how a DoS attack would affect a home router. In particular, I'm interested in how a SYN flood would affect a home router. The reason I'm interested is due to a Cisco document I read. ...
6
votes
3answers
748 views

Where do people who publish “free proxies lists” get their proxies from?

Where do people who publish "free proxies lists" get their lists from? I know those lists are commonly used for example by so called "internet marketers" for scraping websites. Search for "free proxy ...
6
votes
2answers
1k views

Securing Apartment Wifi [closed]

I recently moved into a new apartment, and with rent "free fiber connection" was included. I was skeptical, but the building location and proximity to my office was a no brainer. Now I'm regretting it....
6
votes
1answer
449 views

Router sends password plaintext: is this a serious vulnerability?

Today I went to go & reset my router, but forgot the account password for the ISP. On the (extremely) off-chance of the password being present in the 'Password' field, I went to the appropriate ...
6
votes
2answers
2k views

Is it possible to hack a SSID without actually having to sniff or send deauth frames to a host?

I'd like to know if there exists at least the possibility of a known/theoretical attack on a wireless SSID that does not involve a host within the network, what I mean by this is that some of the ...
5
votes
3answers
3k views

How to track back a dynamic IP address?

Is there a way to trace back who was using a public dynamic IP address previously? Would it be possible to find out the MAC address of the host using the IP address at a given time? (e.g., can you ...
5
votes
3answers
36k views

Is it safe to ignore DoS attacks on my router?

There are several entries in my router's log file showing recent DoS attempts on some of its ports. They look like this: [DoS Attack: ACK Scan] from source: 213.61.245.234, port 80, Friday, November ...
5
votes
1answer
10k views

What's the difference between pixie attack and other attacks on WPS?

I have been studying about the brute-force attack on the WPS PIN, and I understand that because the last digit is the check digit, and that the PIN is divided into two halves in M4 and M6 messages, ...
5
votes
2answers
336 views

what an attacker can do if he/she got access my router admin panel?

Today I found that anyone can access my router from outside my lan using my public ip. Then after some study, I came to know that the problem was not only with my router but it is a bsnl ...
5
votes
1answer
731 views

Is my router spying on my network traffic?

I got a new TP-Link router a couple months ago, and configured it to use the OpenDNS domain servers for basic content filtering across all household WiFi devices. Everything seemed to be great. ...
5
votes
1answer
120 views

What kind of protection does Port security offer?

I don't understand the benefit of port security (limiting the amount of MACs that can be connected to a single port of the router), what is the problem that motivates using this?
5
votes
1answer
1k views

What is the “Moose” worm and how can I protect myself from it?

I have heard from others that there is a new worm called "moose". This actively targets and exploits home routers. What are the effects of this exploit? How can I protect myself from this? Can I ...
5
votes
2answers
638 views

How to configure Chrome to stop external websites accessing my router?

Yet another serious router vulnerability has been disclosed: https://www.exploit-db.com/exploits/40889/ This is a command execution vulnerability through the web interface. I'm not too concerned ...
5
votes
3answers
7k views

ASUS RT-AC68 login page is redirecting to some Amazonaws page?

Has my ASUS router been hacked or just glitchy? When I tried to login to 'router.asus.com' it would redirect to "[censored just in case].us-west-2.compute.amazonaws.com/find/device.html" and it said ...
5
votes
1answer
125 views

Why does a strong router password matter?

A strong password is always better than a weak password, but even after reading this answer I am confused why a device password is needed in addition to the Wifi network's security key. Assuming that ...
5
votes
2answers
5k views

Using Nmap to Scan Port Forwarding?

I have enabled port forwarding on my router to do some testing with Nmap. The internal IP address 10.0.0.10 on port 4245 is being sent to my public IP address on port 4245. I can access this with x.x....
5
votes
1answer
662 views

My dlink router seems to be compromised

By chance I read today about this huge vulnerability regarding my router Dlink DIR-600. ( http://www.s3cur1ty.de/m1adv2013-003 ) Just out of curiosity about what I would find, I tried to send some ...