CVE-2015-7926: eWON devices with firmware before 10.1s0 omit RBAC for I/O server information and status requests, which allow

Q: How do I fix CVE-2015-7926?

ewon firmware: upgrade to newer than 10.0s0. Exact commands for each OS are on this page.

Q: Is CVE-2015-7926 being exploited?

CVE-2015-7926 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-2015-7926 affect?

CVE-2015-7926 affects ewon firmware. Severity is critical (CVSS 9.9). eWON devices with firmware before 10.1s0 omit RBAC for I/O server information and status requests, which allows remote attackers to obtain sensitive information via an unspecified URL.

Q: How urgent is CVE-2015-7926?

Priority 57/100. Critical severity

This month

CRITICAL 9.9UPGRADE

CVE-2015-7926 is a critical-severity flaw (CVSS 9.9) affecting ewon firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

eWON devices with firmware before 10.1s0 omit RBAC for I/O server information and status requests, which allows remote attackers to obtain sensitive information via an unspecified URL.

Why this priority

Critical severity

A fixed release or distro patch exists.

Risk facts

CVSS score	9.9 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	3.4% (top 11%)
CISA exploited list	No
Weakness	CWE-200
Published	2015-12-23
Last modified	2026-06-17

Publisher (CNA): ICS-CERT · Vendor: ewon

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

Am I affected?

Timeline

2015-12-23 11:59 UTCPublished CVE record published
2026-06-17 00:33 UTCUpdated Record last modified

ewon ewon firmware UPGRADE

Affected: <= 10.0s0

Fixed in: newer than 10.0s0

Safe to downgrade to: no unaffected older release

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-2015-7926?

ewon firmware: upgrade to newer than 10.0s0. Exact commands for each OS are on this page.

Is CVE-2015-7926 being exploited?

CVE-2015-7926 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-2015-7926 affect?

CVE-2015-7926 affects ewon firmware. Severity is critical (CVSS 9.9). eWON devices with firmware before 10.1s0 omit RBAC for I/O server information and status requests, which allows remote attackers to obtain sensitive information via an unspecified URL.

How urgent is CVE-2015-7926?

Priority 57/100. Critical severity

Related CVEs

CVE-2015-7929 MEDIUM 4.3 UPGRADE eWON devices with firmware through 10.1s0 support unspecified GET requests, which might allow remote attackers
CVE-2015-7928 HIGH 8.5 UPGRADE eWON devices with firmware before 10.1s0 do not have an off autocomplete attribute for a password field, which
CVE-2015-7927 MEDIUM 6.1 UPGRADE Cross-site scripting (XSS) vulnerability on eWON devices with firmware through 10.1s0 allows remote attackers
CVE-2015-7925 HIGH 8.0 UPGRADE Cross-site request forgery (CSRF) vulnerability on eWON devices with firmware through 10.1s0 allows remote att
CVE-2015-7924 HIGH 8.8 UPGRADE eWON devices with firmware before 10.1s0 do not trigger the discarding of browser session data in response to

References

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