Cisco fixes unauthorised access flaws in access points, wireless LAN controllers

The vulnerabilities could allow remote attackers to compromise the affected devices

Cisco Systems released critical security updates for several products, including access points and wireless LAN controllers, in order to fix vulnerabilities that could give remote attackers access to devices.

The Cisco Aironet 1830e, 1830i, 1850e and 1850i series access points contain a default account with a static password that attackers can use to gain unauthorized access, the company said in an advisory.

Fortunately, the account does not have administrative privileges, so the vulnerability is only rated as high impact instead of critical.

The same products are affected by a separate denial-of-service vulnerability that stems from improper input validation of IP packet headers.

Things are more serious with a vulnerability in Cisco Wireless LAN Controller (WLC) software versions or later, 8.0 or later, or 8.1 or later that can allow remote, unauthenticated attackers to change the configuration of devices and completely compromise them.

The affected devices are Cisco 2500, 5500, 8500 series Wireless Controllers, as well as Cisco Flex 7500 Series and Cisco Virtual Wireless Controllers. Modular controllers that run Cisco WLC software are also affected. These include Integrated Services Module 300, SRE 700, SRE 710, SRE 900, and SRE 910, as well as Cisco Wireless Services Module 2 (WiSM-2).

The Cisco Identity Services Engine versions prior to 2.0 also contained two unauthorized access vulnerabilities that have been patched. One of them is rated as medium and one as critical.

The critical flaw affects Cisco ISE devices running software versions 1.1 or later, 1.2.0 prior to patch 17, 1.2.1 prior to patch 8, 1.3 prior to patch 5, or 1.4 prior to patch 4. If left unpatched, it could allow remote, unauthenticated attackers to completely compromise the devices.

Join the newsletter!

Error: Please check your email address.
Rocket to Success - Your 10 Tips for Smarter ERP System Selection
Keep up with the latest tech news, reviews and previews by subscribing to the Good Gear Guide newsletter.

Lucian Constantin

IDG News Service
Show Comments



Sansai 6-Outlet Power Board + 4-Port USB Charging Station

Learn more >

Victorinox Werks Professional Executive 17 Laptop Case

Learn more >



Back To Business Guide

Click for more ›

Brand Post

Most Popular Reviews

Latest Articles


PCW Evaluation Team

Louise Coady

Brother MFC-L9570CDW Multifunction Printer

The printer was convenient, produced clear and vibrant images and was very easy to use

Edwina Hargreaves

WD My Cloud Home

I would recommend this device for families and small businesses who want one safe place to store all their important digital content and a way to easily share it with friends, family, business partners, or customers.

Walid Mikhael

Brother QL-820NWB Professional Label Printer

It’s easy to set up, it’s compact and quiet when printing and to top if off, the print quality is excellent. This is hands down the best printer I’ve used for printing labels.

Ben Ramsden

Sharp PN-40TC1 Huddle Board

Brainstorming, innovation, problem solving, and negotiation have all become much more productive and valuable if people can easily collaborate in real time with minimal friction.

Sarah Ieroianni

Brother QL-820NWB Professional Label Printer

The print quality also does not disappoint, it’s clear, bold, doesn’t smudge and the text is perfectly sized.

Ratchada Dunn

Sharp PN-40TC1 Huddle Board

The Huddle Board’s built in program; Sharp Touch Viewing software allows us to easily manipulate and edit our documents (jpegs and PDFs) all at the same time on the dashboard.

Featured Content

Product Launch Showcase

Latest Jobs

Don’t have an account? Sign up here

Don't have an account? Sign up now

Forgot password?