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6.1

Cisco Wireless LAN Controller can crash via crafted password

CVE-2015-0679 · published 11 years ago
Summary

Certain versions of Cisco's Wireless LAN Controller software may restart unexpectedly if an attacker sends a specially crafted password during web authentication. This forces the device to reload, interrupting network service. Update to the latest software release or apply the vendor's recommended patch to stop the issue.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
cisco wireless_lan_controller_software 7.3\(103.8\)
7.4\(110.0\)
cpe:2.3:o:cisco:wireless_lan_controller_software:7.3\(103.8\):*:*:*:*:*:*:*
Original advisory text
The web-authentication functionality on Cisco Wireless LAN Controller (WLC) devices 7.3(103.8) and 7.4(110.0) allows remote attackers to cause a denial of service (device reload) via a malformed pa...
The web-authentication functionality on Cisco Wireless LAN Controller (WLC) devices 7.3(103.8) and 7.4(110.0) allows remote attackers to cause a denial of service (device reload) via a malformed password, aka Bug ID CSCui57980.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker partial control (estimated)
Severity
6.1 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-20Improper Input Validation
Timeline
Published28 Mar 2015
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2015-0679 · NVD
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