CVE-2017-20283

MQX Classic UDP recvfrom Buffer Overflow

Published Oct 8, 2026 CVSS 3.1 · 6.5 Medium EPSS 1.2% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title MQX Classic UDP recvfrom Buffer Overflow
Type Values Removed Values Added
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.
First Time appeared Nxp
Nxp mqx
Weaknesses CWE-787
CPEs cpe:2.3:a:nxp:mqx:*:*:*:*:*:*:*:*
Vendors & Products Nxp
Nxp mqx
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Oct 15, 2026, 6:10 PM
Reserved
Sep 9, 2026, 2:15 AM
Status
Awaiting Analysis
Published
Oct 8, 2026, 3:16 AM
Modified
Oct 15, 2026, 7:17 PM