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VulnerabilityPublished

CVE-2025-55080: Eclipse Foundation ThreadX · Improper Handling of Parameters

Affects Eclipse Foundation ThreadXSource CVE Database V5

0

Not known to be exploited · CVSS 7.2 High.

Data as of 26 Oct 2026, 17:16 UTC

CVSS 4.0 base score
7.2High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 3% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 15 Oct 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: 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 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Eclipse Foundation ThreadXAffected
  • =0
Fixed in–

AI-suggested

  1. Monitor Eclipse Foundation announcements closely and apply the ThreadX 6.4.3 update or later as soon as it becomes available to remediate the vulnerability.
  2. Implement strict access controls to limit local access to devices running ThreadX, including physical security measures and network segmentation to reduce attack surface.
  3. Employ runtime integrity monitoring and anomaly detection tools tailored for embedded systems to detect unusual memory access patterns indicative of exploitation attempts.
  4. Conduct thorough security audits of embedded devices and IoT deployments to identify ThreadX usage and assess exposure.
  5. Where patching is delayed, consider deploying compensating controls such as disabling unnecessary syscalls or restricting privileged operations.
  6. Educate operational technology (OT) and embedded system administrators about the risks and signs of exploitation.
  7. Collaborate with device manufacturers and suppliers to ensure timely updates and vulnerability management in supply chains.
  8. Integrate vulnerability scanning for embedded firmware in regular security assessments to proactively identify affected devices.

Description

In Eclipse ThreadX before 6.4.3, when memory protection is enabled, syscall parameters verification wasn't enough, allowing an attacker to obtain an arbitrary memory read/write.

References

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