CVE-2018-5795: 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

Q: How do I fix CVE-2018-5795?

wing: upgrade to 5.8.6.9, 5.9.1.3. Exact commands for each OS are on this page.

Q: Is CVE-2018-5795 being exploited?

CVE-2018-5795 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2018-5795 affect?

CVE-2018-5795 affects wing. Severity is medium (CVSS 4.9). 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 Arbitrary File Write from the WebGUI on the WiNG Access Point / Controller.

Q: How urgent is CVE-2018-5795?

Priority 30/100. No elevated risk signals yet.

Routine

MEDIUM 4.9UPGRADE

CVE-2018-5795 is a medium-severity flaw (CVSS 4.9) 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 Arbitrary File Write from the WebGUI on the WiNG Access Point / Controller.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.9 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.7% (top 47%)
CISA exploited list	No
Published	2018-02-05
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: extremewireless

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2018-02-05 04:29 UTCPublished CVE record published
2026-06-17 02:00 UTCUpdated Record last modified

extremewireless wing UPGRADE

Affected: >= 5.0 and < 5.8.6.9 · >= 5.9.0 and < 5.9.1.3

Fixed in: 5.8.6.9, 5.9.1.3

Safe to downgrade to: a release before 5.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
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-2018-5795?

wing: upgrade to 5.8.6.9, 5.9.1.3. Exact commands for each OS are on this page.

Is CVE-2018-5795 being exploited?

CVE-2018-5795 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-2018-5795 affect?

CVE-2018-5795 affects wing. Severity is medium (CVSS 4.9). 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 Arbitrary File Write from the WebGUI on the WiNG Access Point / Controller.

How urgent is CVE-2018-5795?

Priority 30/100. No elevated risk signals yet.

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-2018-5794 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
CVE-2018-5791 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

References

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