VULNERABILITY INTELLIGENCE

CVE-2019-5148

CVSS score7.5 HIGH

EPSS probability2.48%

CISA KEVNot currently listed

Published2020-02-25

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

An exploitable denial-of-service vulnerability exists in ServiceAgent functionality of the Moxa AWK-3131A, firmware version 1.13. A specially crafted packet can cause an integer underflow, triggering a large memcpy that will access unmapped or out-of-bounds memory. An attacker can send this packet while unauthenticated to trigger this vulnerability.

Weakness classification

CWE-125: Out-of-bounds Read
CWE-191: Integer Underflow (Wrap or Wraparound)

Primary references

talos-cna@cisco.com — Exploit, Technical Description, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Technical Description, Third Party Advisory