Medium severity · published Oct 14, 2025
CVE-2025-55078
Incomplete validation of kernel object pointers in system calls
5.5
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 7% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TH
ThreadX · Eclipse Foundation
through 6.4.2 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-55078
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-55078
Exploit
https://github.com/eclipse-threadx/threadx/security/advisories/GHSA-wcfg-5jpf-hhxq
More from ThreadX
9.8
CVE-2024-2452
Integer wraparound, under-allocation, and heap buffer overflow in Eclipse ThreadX NetX Duo __portable_aligned_alloc()
8.5
CVE-2026-102757
An unprivileged, memory-protected ThreadX module can have the kernel read and write memory at addresses of its choosing, in privileged mode, and can use that to clear the MPU…
8.4
CVE-2026-102709
Improper validation of non-secure (NS) pointers in multiple TrustZone-M non-secure callable (NSC) entry functions allows an attacker executing in the non-secure world to supply…
7.8
CVE-2024-2212
Integer wraparounds, under-allocations, and heap buffer overflows in Eclipse ThreadX xQueueCreate() and xQueueCreateSet()
7.8
CVE-2024-2214
Missing array size check in _Mtxinit() in the Xtensa port