Enablepassword cisco! Usernameadmin privilege 15 password 0 cisco. Aaasession-id common (default configuration) ipsubnet-zero (default configuration) ipdomain-name demo.net! Ip sshversion 2! Ipaddress10.1.1.5 255.255.255.0! Transportinput all. Transportinput all! IOS technology package upgrades can be done by enabling a new license key, reducing the need for truck-rolls to remote offices. The model supports the “pay as you grow” model by allowing purchase of upgrade as you need via Cisco Software Licensing. The Universal IOS image is loaded by Cisco manufacturing on all shipped routers. Tried this on 02/03/17 and can confirm this DOES work. I too sent an email to tac@cisco.com with my AP model, serial number, a screenshot of my current firmware version, the snippet from the security advisory mentioned above, and a link to the vulnerability page provided from the Cisco Software Checker. Friggin tac site wants a serial number, and unlike the competitors like Extreme and such, there's no simple question mark icon on this field that pops open a how to get the serial number. Quick, tell me how do I find the serial number of a 5508 WLC so I can open a case why IOS devices will not stay connected to webauth public wifi, yet android. Some useful commands to identify the Cisco hardware components and their respective Serial Numbers on different platforms. Sh version: The most common use of this command is to determine which version of the Cisco IOS a device is running. This command also offers different usesful information like the IOS version, ROM bootstrap, uptime, RAM.

Lets say you have a Cisco router that’s running an out of date IOS version and want to get a more recent image. It’s safe to say you’ll want to avoid resorting to piracy, Perhaps you don’t want to spend the money on a SMARTnet subscription. There’s a way to legally obtain an updated version that many people over look, security updates.

As it stands, CISCO’s security vulnerability policy states that (emphasis mine):

As a special customer service, and to improve the overall security of the Internet, Cisco may offer customers free of charge software updates to address security problems. If Cisco has offered a free software update to address a specific issue, noncontract customers who are eligible for the update may obtain it by contacting the Cisco TAC using any of the means described in the Contact Summary section of this document. To verify their entitlement, individuals who contact the TAC should have available the URL of the Cisco document that is offering the update.

Great! So we can probably get free updates if they fix a security issue, so what next? Head over to a handy on-line Cisco tool to identify what vulnerabilities are present in the version of IOS you’re running. Paste in the output of the “show ver” command and you’ll be presented with a list of vulnerabilities affecting your device.

With that information, send TAC Support an e-mail including the output of the “show ver” command and the list of vulnerabilities and you will be sent a one-off link to obtain the latest IOS image for your device, free of charge.

A few years ago Cisco walled off their update downloads, requiring that you have a current SMARTnet subscription (be under a support contract) to download them.

Ignoring how ridiculous it is for a hardware vendor to require continual payments to receive software fixes, let’s look at how to obtain cisco IOS update software without a valid support contract.

What most people don’t know is that Cisco has a security vulnerability policy that states:

“As a special customer service, and to improve the overall security of the Internet, Cisco may offer customers free software updates to address high-severity security problems. The decision to provide free software updates is made on a case-by-case basis. Refer to the Cisco security publication for details. Free software updates will typically be limited to Cisco Security Advisories.

If Cisco has offered a free software update to address a specific issue, noncontract customers who are eligible for the update may obtain it by contacting the Cisco TAC using any of the means described in the General Security-Related Queries section of this document. To verify their entitlement, individuals who contact the TAC should have available the URL of the Cisco document that is offering the update.”

Some CVE’s even state:

“Customers Without Service Contracts

Customers who purchase directly from Cisco but do not hold a Cisco service contract and customers who make purchases through third-party vendors but are unsuccessful in obtaining fixed software through their point of sale should obtain upgrades by contacting the Cisco Technical Assistance Center (TAC): http://www.cisco.com/en/US/support/tsd_cisco_worldwide_contacts.html.

Customers should have the product serial number available and be prepared to provide the URL of this advisory as evidence of entitlement to a free upgrade.”

What this all means is that, on a case-by-case basis, Cisco will provide you with updated software if they found serious vulnerability in prior software releases. To get that software you will need to provide a link to the CVE listing the vulnerability related to your device as well as your device’s serial number to TAC.

To find out if your device has any vulnerabilities you can head over to the Cisco Security IOS Software Checker and paste in the “show version” output from your device in the box I’ve highlighted below.

This will show you any CVEs outstanding for your device. You’ll want to find the Critical and High CVEs that affect the IOS version you’re running.

You can also browse the posted CVEs here https://tools.cisco.com/security/center/publicationListing.x

Armed with that info, you need to email Cisco TAC at TAC@CISCO.COM and provide the following info:

Cisco Ios 15 License Keygen Key

Device: 2811
Serial: XXXXXX
CVE: CVE-2018-XXX
Requested File Name: fullIOSfilename.bin

I would also include a brief explanation as well as the quote from above since it seems not all of their support people know about it and will just brush you off because “You don’t have a valid support contract” or “Your device is end-of-sale or end-of-life.”

I’ve done this successfully for a number of devices and each time it has been a battle so remain patient and diligent. Eventually, they will hand you off to one of their Entitlement Support personnel who may provide you with the download.

Be aware that if your device is End-of-Life, they may require that the device was on contract at least through the End-of-Life date before they’ll give you the download. This seems to be their last ditch effort to keep you from updating your unsupported device to try and force you to upgrade.

Or you could buy hardware from a company that doesn’t pull these shenanigans…

Anywho, hopefully this helps you out and saves you some heartache. If you have to jump through any hoops not listed here, be sure to share them in the comments below!

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