CVE-2018-11681 — Default and unremovable support credentials (user:nwk password:nwk2) allow attac

Default and unremovable support credentials (user:nwk password:nwk2) allow attackers to gain total super user control of an IoT device through a TELNET session to products using the RadioRA 2 Lutron integration protocol Revision M to Revision Y. NOTE: The vendor disputes this id

01What is this vulnerability?

Default and unremovable support credentials (user:nwk password:nwk2) allow attackers to gain total super user control of an IoT device through a TELNET session to products using the RadioRA 2 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…

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

08Timeline

• Published: 2018-06-02T13:00:00.000Z
• Last modified: 2024-08-05T08:17:08.550Z

09References

• sadfud.me — http://sadfud.me/explotos/CVE-2018-11629
• reversecodes.wordpress.com — https://reversecodes.wordpress.com/2018/06/02/0-day-tomando-el-control-de-las-in…
• www.lutron.com — http://www.lutron.com/TechnicalDocumentLibrary/040249.pdf