PatchTheCVECVE-2018-5791: An issue was discovered in Extreme Networks ExtremeWireless WiNG 5.x before 5.8.6.9 and 5.9.x before 5.9.1.3
CVE-2018-5791 is a medium-severity flaw (CVSS 5.9) affecting wing. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An issue was discovered in Extreme Networks ExtremeWireless WiNG 5.x before 5.8.6.9 and 5.9.x before 5.9.1.3. There is a Remote, Unauthenticated Heap Overflow in the HSD Process over the MINT (Media Independent Tunnel) Protocol on the WiNG Access Point via crafted packets.
Why this priority
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.9 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.0% (top 38%) |
| CISA exploited list | No |
| Weakness | CWE-787 |
| Published | 2018-02-05 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2018-5791?
wing: upgrade to 5.8.6.9, 5.9.1.3. Exact commands for each OS are on this page.
Is CVE-2018-5791 being exploited?
CVE-2018-5791 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2018-5791 affect?
CVE-2018-5791 affects wing. Severity is medium (CVSS 5.9). An issue was discovered in Extreme Networks ExtremeWireless WiNG 5.x before 5.8.6.9 and 5.9.x before 5.9.1.3. There is a Remote, Unauthenticated Heap Overflow in the HSD Process over the MINT (Media Independent Tunnel) Protocol on the WiNG
How urgent is CVE-2018-5791?
Priority 41/100. Remotely exploitable, no login, no user action
Related CVEs
- CVE-2018-5796 HIGH 7.2 UPGRADE An issue was discovered in Extreme Networks ExtremeWireless WiNG 5.x before 5.8.6.9 and 5.9.x before 5.9.1.3
- CVE-2018-5795 MEDIUM 4.9 UPGRADE An issue was discovered in Extreme Networks ExtremeWireless WiNG 5.x before 5.8.6.9 and 5.9.x before 5.9.1.3
- CVE-2018-5794 MEDIUM 5.3 UPGRADE An issue was discovered in Extreme Networks ExtremeWireless WiNG 5.x before 5.8.6.9 and 5.9.x before 5.9.1.3
- CVE-2018-5793 MEDIUM 5.9 UPGRADE An issue was discovered in Extreme Networks ExtremeWireless WiNG 5.x before 5.8.6.9 and 5.9.x before 5.9.1.3
- CVE-2018-5792 MEDIUM 5.9 UPGRADE An issue was discovered in Extreme Networks ExtremeWireless WiNG 5.x before 5.8.6.9 and 5.9.x before 5.9.1.3