CVE-2018-11682: Default and unremovable support credentials allow attackers to gain total super user control of an IoT device
CVE-2018-11682 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 allow attackers to gain total super user control of an IoT device through a TELNET session to products using the Stanza 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 are listed, which bear some similarity to c
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 |
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-2018-11682?
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-2018-11682 being exploited?
CVE-2018-11682 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-2018-11682 affect?
CVE-2018-11682 affects stanza firmware, radiora 2 firmware, homeworks qs firmware. Severity is critical (CVSS 9.8). Default and unremovable support credentials allow attackers to gain total super user control of an IoT device through a TELNET session to products using the Stanza Lutron integration protocol Revision M to Revision Y. NOTE: The vendor dispu
How urgent is CVE-2018-11682?
Priority 62/100. Critical severity; EPSS top 9%: very likely to be exploited; Remotely exploitable, no login, no user action
Related CVEs
- CVE-2018-11681 CRITICAL 9.8 MITIGATE MITIGATE Default and unremovable support credentials (user:nwk password:nwk2) allow attackers to gain total super user
- CVE-2018-11629 CRITICAL 9.8 MITIGATE MITIGATE Default and unremovable support credentials (user:lutron password:integration) allow attackers to gain total s