CVE-2017-20283
Medium
Description
NXP MQX Classic before 5.0 contains an out-of-bounds write vulnerability in the RTCS UDP recvfrom() implementation. Improper enforcement of the application-supplied receive buffer length may allow a crafted UDP packet to overflow the destination buffer, resulting in memory corruption, or denial of service.
SeverityMedium
CVSS6.5
Exploit probability—
ProductMQX
PublishedOct 8, 2026
First seenOct 8, 2026
Weakness typeCWE-787Out-of-bounds write
How to fix
Update
- NXP MQX5.0 Classic or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| NXP MQX | v < 5.0 Classic | 5.0 Classic |
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