CVE-2026-61893

6.5 MEDIUM

Published: July 30, 2026 Modified: July 31, 2026

Description

A crafted IEC 60870-5-104 I-frame with TypeID 104 (C_TS_NA_1) and an inflated object count causes TestCommand_getFromBuffer to read one byte past the end of the heap-allocated message buffer.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-211-11.json

Source: ics-cert@hq.dhs.gov

https://github.com/mz-automation/lib60870/security/advisories/GHSA-g3w7-x5rx-83xm

Source: ics-cert@hq.dhs.gov

https://www.cisa.gov/news-events/ics-advisories/icsa-26-211-11

Source: ics-cert@hq.dhs.gov

https://github.com/mz-automation/lib60870/security/advisories/GHSA-g3w7-x5rx-83xm

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

4 reference(s) from NVD

Quick Stats

CVSS v3 Score

6.5 / 10.0

EPSS (Exploit Probability)

0.3%

18th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-125

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