Back to CVE records
High 8.3Published Oct 9, 2026
CVE-2026-39453Red Lion Controls N-Tron 700 Series Reachable Assertion
Updated under an hour ago ()
Does this affect you?
It affects Red Lion Controls 700 Series. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 0.29%, higher than 20% of scored CVEs.
Do this next
Start free and add your stack
Free account, 1 product
Navigating to a certain URL on the switch’s web server causes the switch to reboot. This can be automated using a tool like curl to create DoS conditions where the switch constantly reboots.
- CVSS
- 8.3 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H
- Weakness (CWE)
- CWE-617
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.29% (percentile 20)
- Assigned by
- icscert
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 11, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Red Lion Controls 700 Series red_lion_controls:700_series (from the name) | before Firmware Versions 3.11.0; before Bootloader Versions 2.0.6.1; 3.11.1 not affected | CNA record |
References
- https://www.hms-networks.com/
- https://www.hms-networks.com/cybersecurity
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-281-01
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-281-01.json
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.