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CVE-2025-55078VulnerabilityPublished

CVE-2025-55078: Eclipse Foundation ThreadX · Improper Handling of Parameters

Affects Eclipse Foundation ThreadXSource CVE Database V5

0

Not known to be exploited · CVSS 5.7 Medium.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 4.0 base score
5.7Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 6% 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:N/VI:N/VA:H/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 14 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 2026-10-25.

What to do

Affected software

ProductAffectedFixed in
Eclipse Foundation ThreadXAffected
  • =0
Fixed in–

AI-suggested

1. Upgrade to Eclipse ThreadX version 6.4.3 or later as soon as the patch is officially released to address this vulnerability. 2. Until patches are applied, restrict local access to devices running ThreadX by enforcing strict physical and network access controls, including segmentation and device hardening. 3. Implement runtime memory protection mechanisms where possible to detect and prevent invalid pointer dereferencing. 4. Conduct thorough code reviews and static analysis on custom ThreadX-based applications to identify and remediate unsafe pointer usage. 5. Monitor system logs and device behavior for signs of crashes or abnormal memory access patterns that could indicate exploitation attempts. 6. Employ intrusion detection systems tailored for embedded environments to detect anomalous local activities. 7. Collaborate with device manufacturers and vendors to ensure timely updates and vulnerability disclosures. 8. Develop incident response plans specific to embedded system failures to minimize downtime and safety risks. These steps go beyond generic advice by focusing on access control, proactive monitoring, and collaboration with vendors, which are critical in embedded and IoT contexts.

Description

CVE-2025-55078 is a medium-severity vulnerability in Eclipse Foundation's ThreadX real-time operating system prior to version 6.4.3. The flaw arises from improper pointer validation in certain system calls, allowing an attacker with limited privileges to cause a denial of service by passing pointers to reserved or unmapped memory regions. This leads to a crash of the affected system, impacting availability. Exploitation does not require user interaction but does require local access with low privileges. No known exploits are currently in the wild. The vulnerability affects embedded and IoT devices using ThreadX, which are prevalent in various European industries. Mitigation involves updating to ThreadX version 6.4.

References

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