CVE-2017-20283 Memory corruption in MQX
A crafted UDP packet can overflow a buffer in NXP MQX RTOS, leading to memory corruption or denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-20283?
CVE-2017-20283 is a medium-severity memory corruption vulnerability in NXP MQX, published on 8 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-787
Which versions are affected by CVE-2017-20283?
How do I fix CVE-2017-20283?
No fix has been published for CVE-2017-20283 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-20283 being exploited?
There is no known exploitation of CVE-2017-20283 in the wild and no public exploit code.
Sources
Also known as GHSA-vq76-7hqc-pgvj.