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Fencer Intel
medium 6.5

CVE-2017-20283 json

NXP MQX Classic before 5.0 contains an out-of-bounds write vulnerability in the RTCS UDP recvfrom() implementation.

published 2026-10-08 32 d ago modified 2026-10-15 25 d ago also EUVD-2017-19018

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 68%
public exploits
0
none known

Summary

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.

Patch / fix

  • NXP MQX 5.0 Classic

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
25 d ago

Exploit prediction

1.19% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Affected products

  • NXP MQX

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.