Home/CVE/A vulnerability, which was classified as critical, has been found in RT-Thread 5.1.0. This issue affects the function sy
CVE

CVE-2025-5868

A vulnerability, which was classified as critical, has been found in RT-Thread 5.1.0. This issue affects the function sy

A vulnerability, which was classified as critical, has been found in RT-Thread 5.1.0. This issue affects the function sys_thread_sigprocmask of the file rt-thread/components/lwp/lwp_syscall.c. The manipulation of the argument how leads to improper validation of array index.

HIGH · CVSS 8 EPSS 0.00953
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-129Improper Validation of Array Index
CWE-129Improper Validation of Array Index
▤

Affected Products & Versions

1
rt-threadall versions
⚠

Public Exploits & PoCs

1
pocgithub.com · 10303github.com
▣

Scoring & Timeline

8
HIGH · CVSS v3.1 · cna@vuldb.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 Jun 2025 · 08:15 AM
CVSS VectorCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://vuldb.com/?ctiid.311627Permissions RequiredVDB Entry
https://vuldb.com/?id.311627Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.584130Third Party AdvisoryVDB Entry
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