The Network Processing Unit (NPU) in the Cisco Wireless LAN Controller (WLC) before 3.2.193.5, 4.0.x before 4.0.206.0, and 4.1.x allows remote attackers on a local wireless network to cause a denial of service (loss of packet forwarding) via (1) crafted SNAP packets, (2) malformed 802.11 traffic, or (3) packets with certain header length values, aka Bug ID CSCsg36361
Published Apr 16, 2007
6.1
MEDIUMCVSS 2.0
EPSS 0.98%
Description
The Network Processing Unit (NPU) in the Cisco Wireless LAN Controller (WLC) before 3.2.193.5, 4.0.x before 4.0.206.0, and 4.1.x allows remote attackers on a local wireless network to cause a denial of service (loss of packet forwarding) via (1) crafted SNAP packets, (2) malformed 802.11 traffic, or (3) packets with certain header length values, aka Bug ID CSCsg36361.
Affected products
No data.
- n/a
- n/a
- n/a
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:A/AC:L/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.98% (0.00982) | 60.89th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.98% (0.00982) | 57.53th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.57% (0.00568) | 66.57th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.34% (0.01341) | 86.66th | v3 (v2023.03.01) |
| Mar 27, 2024 | 1.34% (0.01341) | 85.79th | v3 (v2023.03.01) |
| Feb 18, 2024 | 1.35% (0.01355) | 85.79th | v3 (v2023.03.01) |
| Jan 11, 2024 | 1.39% (0.01394) | 84.98th | v3 (v2023.03.01) |
| Dec 4, 2023 | 1.46% (0.01462) | 85.21th | v3 (v2023.03.01) |
| Oct 27, 2023 | 1.41% (0.01410) | 85.02th | v3 (v2023.03.01) |
| Sep 18, 2023 | 1.35% (0.01354) | 84.57th | v3 (v2023.03.01) |
| Apr 22, 2023 | 1.27% (0.01267) | 83.61th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.17% (0.01171) | 82.76th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
No CWE recorded.
References (6)
- http://securitytracker.com/id?1017908 vdb-entryx_refsource_SECTRACK
- http://www.cisco.com/warp/public/707/cisco-sa-20070412-wlc.shtml vendor-advisoryx_refsource_CISCOVendor Advisory
- http://www.osvdb.org/34136 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/bid/23461 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2007/1368 vdb-entryx_refsource_VUPEN
- https://exchange.xforce.ibmcloud.com/vulnerabilities/33609 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://securitytracker.com/id?1017908 | vdb-entryx_refsource_SECTRACK | |
| http://www.cisco.com/warp/public/707/cisco-sa-20070412-wlc.shtml | vendor-advisoryx_refsource_CISCOVendor Advisory | |
| http://www.osvdb.org/34136 | vdb-entryx_refsource_OSVDB | |
| http://www.securityfocus.com/bid/23461 | vdb-entryx_refsource_BID | |
| http://www.vupen.com/english/advisories/2007/1368 | vdb-entryx_refsource_VUPEN | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/33609 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.