CVE-2018-11629: Default and unremovable support credentials (user:lutron password:integration) allow attackers to gain total s

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CRITICAL 9.8REMOTEMITIGATEMITIGATEMITIGATE

CVE-2018-11629 is a critical-severity flaw (CVSS 9.8) affecting stanza firmware, radiora 2 firmware, homeworks qs firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Default and unremovable support credentials (user:lutron password:integration) allow attackers to gain total super user control of an IoT device through a TELNET session to products using the HomeWorks QS Lutron integration protocol Revision M to Revision Y. NOTE: The vendor disputes this id as not being a vulnerability because what can be done through the ports revolve around controlling lighting, not code execution. A certain set of commands ar

Why this priority

Critical severity
EPSS top 9%: very likely to be exploited
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	4.2% (top 9%)
CISA exploited list	No
Weakness	CWE-798
Published	2018-06-02
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: lutron

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

Am I affected?

Timeline

2018-06-02 13:29 UTCPublished CVE record published
2026-06-17 01:36 UTCUpdated Record last modified

lutron stanza firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

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.

lutron radiora 2 firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

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.

lutron homeworks qs firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

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-2018-11629?

stanza firmware: mitigate or apply the listed mitigation; radiora 2 firmware: mitigate or apply the listed mitigation; homeworks qs firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-11629 being exploited?

CVE-2018-11629 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-2018-11629 affect?

CVE-2018-11629 affects stanza firmware, radiora 2 firmware, homeworks qs firmware. Severity is critical (CVSS 9.8). Default and unremovable support credentials (user:lutron password:integration) allow attackers to gain total super user control of an IoT device through a TELNET session to products using the HomeWorks QS Lutron integration protocol Revisio

How urgent is CVE-2018-11629?

Priority 62/100. Critical severity; EPSS top 9%: very likely to be exploited; Remotely exploitable, no login, no user action

Related CVEs

CVE-2018-11682 CRITICAL 9.8 MITIGATE MITIGATE Default and unremovable support credentials allow attackers to gain total super user control of an IoT device
CVE-2018-11681 CRITICAL 9.8 MITIGATE MITIGATE Default and unremovable support credentials (user:nwk password:nwk2) allow attackers to gain total super user

References

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