PT-2025-26958 · Rt-Thread · Rt-Thread
Zephyr Saxon
·
Published
2025-06-26
·
Updated
2025-07-01
·
CVE-2025-6693
CVSS v4.0
8.5
High
| Vector | AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Name of the Vulnerable Software and Affected Versions:
RT-Thread versions up to 5.1.0
Description:
A critical vulnerability was found in RT-Thread, affecting the functions
sys device open, sys device read, sys device control, sys device init, sys device close, and sys device write of the file components/drivers/core/device.c. This vulnerability leads to memory corruption and can be exploited locally. The vendor was contacted about this issue but did not respond.Recommendations:
For RT-Thread versions up to 5.1.0, as a temporary workaround, consider disabling the affected functions
sys device open, sys device read, sys device control, sys device init, sys device close, and sys device write until a patch is available. Restrict access to the vulnerable file components/drivers/core/device.c to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.Exploit
Buffer Overflow
Found an issue in the description? Have something to add? Feel free to write us 👾
Weakness Enumeration
Related Identifiers
Affected Products
Rt-Thread