Memory Corruption Vulnerability in RT-Thread by RT-Thread
CVE-2026-14607

6.8MEDIUM

Key Information:

Vendor

RT-Thread

Status
Rt-thread
Vendor
CVE Published:
3 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-14607?

A vulnerability has been identified in RT-Thread versions up to 5.0.2 that affects the function sys_getaddrinfo. This weakness allows an attacker with local access to manipulate the argument ai_addr, which can lead to memory corruption. Current exploits of this vulnerability are publicly available, increasing the risk of local attacks. A pull request aimed at addressing this issue is pending acceptance.

Affected Version(s)

RT-Thread 5.0.0

RT-Thread 5.0.1

RT-Thread 5.0.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-14607 - Proof of Concept

References

https://vuldb.com/vuln/376115
vdb-entrytechnical-description
https://vuldb.com/vuln/376115/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-14607
third-party-advisory

CVSS V4

Score:
6.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Zephyr Saxon (VulDB User)
VulDB CNA Team
.