CVE-2013-1235
Cisco Wireless LAN Controller (WLC) devices do not properly address the resource consumption of...
Cisco Wireless LAN Controller (WLC) devices do not properly address the resource consumption of terminated TELNET sessions, which allows remote attackers to cause a denial of service (TELNET outage) by making many TELNET connections and improperly ending these connections, aka Bug ID CSCug35507.
Exploit likelihood
What each source reports
NVD Score used
Cisco Wireless LAN Controller (WLC) devices do not properly address the resource consumption of terminated TELNET sessions, which allows remote attackers to cause a denial of service (TELNET outage) by making many TELNET connections and improperly ending these connections, aka Bug ID CSCug35507.
- Record
CVE-2013-1235- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
Cisco Wireless LAN Controller (WLC) devices do not properly address the resource consumption of terminated TELNET sessions, which allows remote attackers to cause a denial of service (TELNET outage) by making many TELNET connections and improperly ending these connections, aka Bug ID CSCug35507.
- Record
CVE-2013-1235- Updated
- 2026-11-02
EUVDEUVD-2013-1275 No score
Cisco Wireless LAN Controller (WLC) devices do not properly address the resource consumption of terminated TELNET sessions, which allows remote attackers to cause a denial of service (TELNET outage) by making many TELNET connections and improperly ending these connections, aka Bug ID CSCug35507.
- Record
EUVD-2013-1275- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-ffwh-46r8-rg8g No score
Cisco Wireless LAN Controller (WLC) devices do not properly address the resource consumption of...
Cisco Wireless LAN Controller (WLC) devices do not properly address the resource consumption of terminated TELNET sessions, which allows remote attackers to cause a denial of service (TELNET outage) by making many TELNET connections and improperly ending these connections, aka Bug ID CSCug35507.
- Record
GHSA-ffwh-46r8-rg8g- Updated
- 2026-11-02
Affected products
- cisco wireless lan controller
- cisco 2000 wireless lan controller
- cisco 2100 wireless lan controller
- cisco 2106 wireless lan controller
- cisco 2112 wireless lan controller
- cisco 2125 wireless lan controller
- cisco 2500 wireless lan controller
- cisco 2504 wireless lan controller
- cisco 4100 wireless lan controller
- cisco 4400 wireless lan controller
- cisco 4402 wireless lan controller
- cisco 4404 wireless lan controller
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2013-1235 is a medium vulnerability (CVSS 5.0) in Cisco Wireless Lan Controller, published May 4, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.23%, the 69th percentile. No source names a fixed version.