CVE-2026-115215 Eclipse ThreadX NetX Duo - Denial of Service

Eclipse ThreadX NetX Duo 6.0 through 6.5.2.202603a contains a denial of service caused by fixed session pool exhaustion in NetX Secure DTLS server due to unreleased sessions from stalled handshakes, letting remote unauthenticated attackers deny service, exploit requires sending spoofed datagrams.

CVSS base score 8.7 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
2 November 2026
Updated
3 November 2026
Weakness
CWE-770

Vendor fix

Update to a version later than 6.5.2.202603a or apply vendor patches addressing session pool exhaustion.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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