RT-Thread up to 5.0.2 lwp_syscall.c sys_getaddrinfo ai_addr memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k2.30+

Summaryinfo

A vulnerability was found in RT-Thread up to 5.0.2. It has been classified as critical. This vulnerability affects the function sys_getaddrinfo of the file components/lwp/lwp_syscall.c. The manipulation of the argument ai_addr leads to memory corruption. This vulnerability is referenced as CVE-2026-14607. The attack can only be performed from a local environment. Furthermore, an exploit is available. The pull request to fix this issue awaits acceptance.

Detailsinfo

A vulnerability was found in RT-Thread up to 5.0.2 and classified as critical. This issue affects the function sys_getaddrinfo of the file components/lwp/lwp_syscall.c. The manipulation of the argument ai_addr with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is availability.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-14607. The exploitation is known to be easy. Attacking locally is a requirement. Technical details as well as a public exploit are known.

The exploit is available at github.com. It is declared as proof-of-concept. The pull request to fix this issue awaits acceptance.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.5
VulDB Temp Score: 5.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

07/03/2026 Advisory disclosed
07/03/2026 +0 days VulDB entry created
07/03/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 11428
Status: Not defined
Confirmation: 🔒

CVE: CVE-2026-14607 (🔒)
GCVE (CVE): GCVE-0-2026-14607
GCVE (VulDB): GCVE-100-376115
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/03/2026 15:56
Changes: 07/03/2026 15:56 (58)
Complete: 🔍
Submitter: Zephyr Saxon
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #844622: RT-Thread v5.0.2 Improper Handling of Parameters (by Zephyr Saxon)

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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