A vulnerability with IPv6 UDP ingress packet processing in Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to cause an unexpected reload of the device
Published Apr 6, 2017
7.5
HIGHCVSS 3.0
EPSS 3.05%
Description
A vulnerability with IPv6 UDP ingress packet processing in Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to cause an unexpected reload of the device. The vulnerability is due to incomplete IPv6 UDP header validation. An attacker could exploit this vulnerability by sending a crafted IPv6 UDP packet to a specific port on the targeted device. An exploit could allow the attacker to impact the availability of the device as it could unexpectedly reload. This vulnerability affects Cisco Wireless LAN Controller (WLC) running software version 8.2.121.0 or 8.3.102.0. Cisco Bug IDs: CSCva98592.
Affected products
- Vendor n/a Product Cisco Wireless LAN Controller Defaultn/a
- Version Cisco Wireless LAN ControllerStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Cisco Wireless LAN Controller | n/a |
|
- 8.2.121.0
- 8.3.102.0
Running on/with
- 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.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.05% (0.03048) | 87.08th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.05% (0.03048) | 85.78th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.43% (0.00434) | 60.73th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.36% (0.00356) | 72.91th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.36% (0.00356) | 71.26th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.36% (0.00356) | 67.60th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
References (3)
- http://www.securityfocus.com/bid/97423 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1038183 vdb-entryx_refsource_SECTRACK
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170405-wlc2 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/97423 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1038183 | vdb-entryx_refsource_SECTRACK | |
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170405-wlc2 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.