How severe is CVE-2025-55078?

CVE-2025-55078 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-55078 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-55078?

CVE-2025-55078 affects Eclipse Threadx. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-55078?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-55078 have an EU (EUVD) identifier?

Yes. CVE-2025-55078 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-34143.

When was CVE-2025-55078 published?

CVE-2025-55078 was published on 2025-10-14 and last updated on 2026-06-17.

CVE-2025-55078

CVE-2025-55078 is a medium-severity vulnerability in Eclipse Threadx with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-233.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v4: 5.7
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-34143
Weakness: CWE-233
Affected product: Eclipse Threadx
Published: 2025-10-14
Last modified: 2026-06-17

Description

In Eclipse ThreadX before version 6.4.3, an attacker can cause a denial of service (crash) by providing a pointer to a reserved or unmapped memory region. Vulnerable system calls had a check of pointers, but that check wasn't verifying whether the pointer is outside the module memory region.

Frequently asked questions

What is CVE-2025-55078?: In Eclipse ThreadX before version 6.4.3, an attacker can cause a denial of service (crash) by providing a pointer to a reserved or unmapped memory region. Vulnerable system calls had a check of pointers, but that check wasn't verifying whether the pointer is outside the module memory region.
How severe is CVE-2025-55078?: CVE-2025-55078 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-55078 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-55078?: CVE-2025-55078 affects Eclipse Threadx. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-55078?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-55078 have an EU (EUVD) identifier?: Yes. CVE-2025-55078 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-34143.
When was CVE-2025-55078 published?: CVE-2025-55078 was published on 2025-10-14 and last updated on 2026-06-17.

References

https://github.com/eclipse-threadx/threadx/security/advisories/GHSA-wcfg-5jpf-hhxq

Affected products (1)

cpe:2.3:a:eclipse:threadx:*:*:*:*:*:*:*:*

More vulnerabilities in Eclipse Threadx

CVE-2026-0648 — High (CVSS 7.8): The vulnerability stems from an incorrect error-checking logic in the CreateCounter() function (in…
CVE-2024-2212 — High (CVSS 7.3): In Eclipse ThreadX before 6.4.0, xQueueCreate() and xQueueCreateSet() functions from the FreeRTOS compatibility API…
CVE-2025-55080 — High (CVSS 7.1): In Eclipse ThreadX before 6.4.3, when memory protection is enabled, syscall parameters verification wasn't enough,…
CVE-2024-2214 — High (CVSS 7.0): In Eclipse ThreadX before version 6.4.0, the _Mtxinit() function in the Xtensa port was missing an array size check…
CVE-2025-55079 — Medium (CVSS 5.5): In Eclipse ThreadX before version 6.4.3, the thread module has a setting of maximum priority. In some cases the check…

All CVEs affecting Eclipse Threadx →

Other CWE-233 vulnerabilities

CVE-2022-45182 — Critical (CVSS 9.8): Pi-Star_DV_Dash (for Pi-Star DV) before 5aa194d mishandles the module parameter.
CVE-2026-32998 — Critical (CVSS 9.4): This vulnerability in Veeam Service Provider Console allows for remote code execution.
CVE-2024-31808 — High (CVSS 8.8): TOTOLINK EX200 V4.0.3c.7646_B20201211 was discovered to contain a remote code execution (RCE) vulnerability via the…
CVE-2021-0269 — High (CVSS 8.8): The improper handling of client-side parameters in J-Web of Juniper Networks Junos OS allows an attacker to perform a…
CVE-2023-20514 — High (CVSS 8.7): Improper handling of parameters in the AMD Secure Processor (ASP) could allow a privileged attacker to pass an…
CVE-2021-1230 — High (CVSS 8.6): A vulnerability with the Border Gateway Protocol (BGP) for Cisco Nexus 9000 Series Fabric Switches in Application…

Browse all CWE-233 vulnerabilities →