PT-2026-67142 · Mz Automation · Libiec61850

Carnegie + 1 · CVE-2026-18583 · Published 2026-08-03 · Updated 2026-08-03

NVD

CVSS v2.0

5.0

Medium

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

A weakness has been identified in mz-automation libiec61850 up to 1.6.1. This issue affects the function checkDataSetAccess of the file src/iec61850/server/mms mapping/mms mapping.c of the component MMS Request Handler. This manipulation causes out-of-bounds read. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 1.6.2 is capable of addressing this issue. Patch name: 062062daf4cb50c7aa76e01d6fb4d58fc9278a7d. Upgrading the affected component is recommended. The vendor was contacted early about this disclosure.

Exploit

Fix

Out of bounds Read

Buffer Overflow

Weakness Enumeration

CWE-125

CWE-119

Related Identifiers

CVE-2026-18583

Affected Products

Libiec61850

References · 10

• 🔥 https://github.com/gff-cw/information/issues/3 · Exploit
• https://github.com/mz-automation/libiec61850/commit/062062daf4cb50c7aa76e01d6fb4d58fc9278a7d · Patch
• https://github.com/mz-automation/libiec61850/releases/tag/v1.6.2 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-18583 · Security Note
• https://github.com/mz-automation/libiec61850/security/advisories/GHSA-7v2x-39mw-2979 · Note
• https://vuldb.com/vuln/385412/cti · Note
• https://github.com/mz-automation/libiec61850 · Note
• https://vuldb.com/submit/844921 · Note
• https://vuldb.com/cve/CVE-2026-18583 · Note
• https://vuldb.com/vuln/385412 · Note