CVE-2025-1115: A vulnerability classified as problematic was found in RT-Thread up to 5.1.0

Q: How do I fix CVE-2025-1115?

rt-thread: upgrade to newer than 5.1.0. Exact commands for each OS are on this page.

Q: Is CVE-2025-1115 being exploited?

CVE-2025-1115 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-1115 affect?

CVE-2025-1115 affects rt-thread. Severity is low (CVSS 3.3). A vulnerability classified as problematic was found in RT-Thread up to 5.1.0. Affected by this vulnerability is the function sys_device_close/sys_device_control/sys_device_find/sys_device_init/sys_device_open/sys_device_read/sys_device_regi

Q: How urgent is CVE-2025-1115?

Priority 22/100. Public exploit reference

Routine

LOW 3.3UPGRADE

CVE-2025-1115 is a low-severity flaw (CVSS 3.3) affecting rt-thread. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability classified as problematic was found in RT-Thread up to 5.1.0. Affected by this vulnerability is the function sys_device_close/sys_device_control/sys_device_find/sys_device_init/sys_device_open/sys_device_read/sys_device_register/sys_device_write/sys_event_delete/sys_event_recv/sys_event_send/sys_mb_delete/sys_mb_recv/sys_mb_send/sys_mb_send_wait/sys_mq_recv/sys_mq_send/sys_mq_urgent/sys_mutex_delete/sys_mutex_release/sys_mutex_tak

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	3.3 (Low)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 78%)
CISA exploited list	No
Weakness	CWE-200, CWE-284
Published	2025-02-08
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: rt-thread

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-02-08 10:15 UTCPublished CVE record published
2026-06-17 08:38 UTCUpdated Record last modified

rt-thread rt-thread UPGRADE

Affected: <= 5.1.0

Fixed in: newer than 5.1.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy rt-thread || rpm -q rt-thread || rt-thread --version

2. UPGRADE to newer than 5.1.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade rt-thread

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade rt-thread

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-1115?

rt-thread: upgrade to newer than 5.1.0. Exact commands for each OS are on this page.

Is CVE-2025-1115 being exploited?

CVE-2025-1115 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-1115 affect?

CVE-2025-1115 affects rt-thread. Severity is low (CVSS 3.3). A vulnerability classified as problematic was found in RT-Thread up to 5.1.0. Affected by this vulnerability is the function sys_device_close/sys_device_control/sys_device_find/sys_device_init/sys_device_open/sys_device_read/sys_device_regi

How urgent is CVE-2025-1115?

Priority 22/100. Public exploit reference

Related CVEs

CVE-2025-6693 HIGH 7.8 UPGRADE A vulnerability, which was classified as critical, was found in RT-Thread up to 5.1.0
CVE-2025-5869 HIGH 8.0 MITIGATE A vulnerability, which was classified as critical, was found in RT-Thread 5.1.0
CVE-2025-5868 HIGH 8.0 MITIGATE A vulnerability, which was classified as critical, has been found in RT-Thread 5.1.0
CVE-2025-5867 HIGH 8.0 MITIGATE A vulnerability classified as critical was found in RT-Thread 5.1.0
CVE-2025-5866 HIGH 8.0 MITIGATE A vulnerability classified as critical has been found in RT-Thread 5.1.0

References

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