Cisco Wireless LAN Controller AireOS Software FIPS Mode Denial of Service Vulnerability
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
A vulnerability in the authentication functionality of Cisco Wireless LAN Controller (WLC) AireOS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient error validation. An attacker could exploit this vulnerability by sending crafted packets to an affected device. A successful exploit could allow the attacker to cause the wireless LAN controller to crash, resulting in a DoS condition. Note: This vulnerability affects only devices that have Federal Information Processing Standards (FIPS) mode enabled.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Cisco | Cisco Wireless LAN Controller (WLC) | all versions | — | No fix listed | CNA |
- Cisco Wireless LAN Controller (WLC) VendorCisco Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:cisco:wireless_lan_controller_software:*:*:*:*:*:*:*:* | before 8.10.171.0 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:virtual_wireless_controller:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:h:cisco:2504_wireless_lan_controller:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:h:cisco:3504_wireless_lan_controller:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:h:cisco:5508_wireless_lan_controller:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:h:cisco:5520_wireless_lan_controller:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:h:cisco:8540_wireless_lan_controller:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:h:cisco:flex_7510:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
- cpe:2.3:o:cisco:wireless_lan_controller_software:*:*:*:*:*:*:*:* Versions before 8.10.171.0 Vulnerable ·Cisco
- cpe:2.3:a:cisco:virtual_wireless_controller:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:h:cisco:2504_wireless_lan_controller:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:h:cisco:3504_wireless_lan_controller:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:h:cisco:5508_wireless_lan_controller:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:h:cisco:5520_wireless_lan_controller:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:h:cisco:8540_wireless_lan_controller:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:h:cisco:flex_7510:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-20769
- 2026-10-03 Alias added: GHSA-3phq-3jhx-rrhw
References
More Cisco Wireless Lan Controller Software vulnerabilities
- TI-2019-11388 Cisco Wireless LAN Controller HTTP Parsing Engine Denial of Service Vulnerability CVSS 3.1MEDIUM 6.5
- TI-2016-01254 Buffer overflow in the redirection functionality in Cisco Wireless LAN Controller (WLC)… CVSS 3.1CRITICAL 9.8
- TI-2018-00213 Resource management flaw in Cisco Wireless LAN Controller CVSS 3.0HIGH 8.6
- TI-2007-01958 The SNMP implementation in the Cisco Wireless LAN Controller (WLC) before 20070419 uses… CVSS 2.0HIGH 10.0
- TI-2015-05301 Cisco Wireless LAN Controller (WLC) devices with software 7.6.x, 8.0 before 8.0.121.0… CVSS 3.0CRITICAL 9.8
- TI-2014-00660 Cisco Wireless LAN Controller (WLC) devices 7.4 before 7.4.110.0 distribute Aironet IOS… CVSS 2.0HIGH 10.0
Sources
- CVE-2022-20769 · CVE Program
- CVE-2022-20769 · NVD
- FIRST EPSS
- GHSA-3phq-3jhx-rrhw · 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