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VulnerabilityPublished Updated

CVE-2026-102728: Eclipse ThreadX NetX Duo · Buffer Over-read

Affects Eclipse ThreadX NetX DuoSource CVE Database V5

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Not known to be exploited · CVSS 6.3 Medium.

Data as of 12 Nov 2026, 23:24 UTC

CVSS 4.0 base score
6.3Medium
How severe the flaw is on the 0–10 CVSS scale.

Sources agree

CVSS scores by source
CNA (eclipse)CVSS 4.06.3
CISA-ADPCVSS 3.17.5
EPSS
0.2% chance of exploitation in 30 days – higher than 15% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 29 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Eclipse FoundationEclipse ThreadX NetX DuoAffected
  • >=6.0 <=6.5.2.202603a
Fixed in–
GitHubeclipse-threadx/netxduopkg:github/eclipse-threadx/netxduoOther threatsAffected
  • <=6.5.1.202602
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Until a fix is available, users should consider limiting exposure to untrusted servers and monitor for updates from the Eclipse Foundation.

Description

CVE-2026-102728 is a buffer over-read vulnerability in Eclipse ThreadX NetX Duo versions 6.0 through 6.5.2.202603a. The issue occurs in the NetX Secure TLS client's ServerHello parser and the DTLS client's HelloVerifyRequest parser, which read fields without verifying the message length first. This can cause the client to read up to three bytes beyond the intended handshake message boundary, potentially causing faults on systems with memory protection.

References

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