High severity · published Oct 15, 2025
CVE-2025-55080
Improper Parameter Check in ThreadX Syscall Implementation
7.1
CVSS
0.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 3% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TH
ThreadX · Eclipse Foundation
before 6.4.3 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-55080
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-55080
Third Party Advisory
https://github.com/eclipse-threadx/threadx/security/advisories/GHSA-76hh-wrj5-hr2v
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