The Network Processing Unit (NPU) in the Cisco Wireless LAN Controller (WLC) before…
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:h:cisco:2000_wireless_lan_controller:*:*:*:*:*:*:*:* | all versions | Vulnerable | Cisco |
| cpe:2.3:h:cisco:2100_wireless_lan_controller:*:*:*:*:*:*:*:* | all versions | Vulnerable | Cisco |
| cpe:2.3:h:cisco:4100_wireless_lan_controller:*:*:*:*:*:*:*:* | all versions | Vulnerable | Cisco |
| cpe:2.3:h:cisco:4400_wireless_lan_controller:*:*:*:*:*:*:*:* | all versions | Vulnerable | Cisco |
- cpe:2.3:h:cisco:2000_wireless_lan_controller:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Cisco
- cpe:2.3:h:cisco:2100_wireless_lan_controller:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Cisco
- cpe:2.3:h:cisco:4100_wireless_lan_controller:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Cisco
- cpe:2.3:h:cisco:4400_wireless_lan_controller:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2007-2038
- 2026-10-03 Alias added: GHSA-7vw2-4wvp-q8jh
References
More Cisco 2000 Wireless Lan Controller vulnerabilities
- TI-2013-00954 The HTTP Profiling functionality on Cisco Wireless LAN Controller (WLC) devices with… CVSS 2.0HIGH 9.0
- TI-2013-00955 Cisco Wireless LAN Controller (WLC) devices with software 7.0 before 7.0.235.3, 7.1 and… CVSS 2.0HIGH 9.0
- TI-2012-00344 Cisco Wireless LAN Controller (WLC) devices with software 4.x, 5.x, 6.0, and 7.0 before… CVSS 2.0HIGH 9.3
- TI-2013-00953 Cisco Wireless LAN Controller (WLC) devices with software 7.0 before 7.0.220.0, 7.1… CVSS 2.0HIGH 7.8
- TI-2013-00952 The Wireless Intrusion Prevention System (wIPS) component on Cisco Wireless LAN… CVSS 2.0HIGH 7.8
- TI-2012-00342 Cisco Wireless LAN Controller (WLC) devices with software 6.0 and 7.0 before 7.0.220.0… CVSS 2.0HIGH 7.8
Sources
- CVE-2007-2038 · CVE Program
- CVE-2007-2038 · NVD
- FIRST EPSS
- GHSA-7vw2-4wvp-q8jh · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences