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VulnerabilityPublished Updated

CVE-2026-102762: Eclipse Foundation NetX Duo · Memory Leak

Affects Eclipse Foundation NetX DuoSource CVE Database V5

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Not known to be exploited · CVSS 8.2 High.

Data as of 12 Nov 2026, 23:24 UTC

CVSS 4.0 base score
8.2High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 10% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/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 FoundationNetX DuoAffected
  • >=6.0 <=6.5.1.202602
Fixed in–
GitHubeclipse-threadx/netxduopkg:github/eclipse-threadx/netxduoOther threatsAffected
  • >=6.0 <=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 patch is available, consider limiting exposure to untrusted MQTT clients or network segments that could send malformed PUBLISH messages to vulnerable devices. Monitor for unusual network traffic patterns indicative of such attacks.

Description

CVE-2026-102762 is a high-severity vulnerability in the Eclipse Foundation's NetX Duo MQTT client. It causes a memory leak by failing to release packets carrying malformed PUBLISH messages. Each malformed message consumes resources from the network driver's receive pool without returning them, potentially exhausting the pool. This exhaustion halts all inbound network traffic on the affected device until it is rebooted.

References

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