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P4
CVE-2026-71263: FreeModbus 0 through *
CVE-2026-71263. CVSS 3.1 base score 9.1 (CRITICAL, Source advisory). EPSS 0.00501 (percentile 0.41994), scored 22-Oct-2026.
Affected technology
FreeModbus · 0 through *
cwalter-at
Component: Not specified by the source
File: demo/LINUXTCP/port/porttcp.c
Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
What an attacker can do
Source advisory’s CVSS 3.1 assessment (base score 9.1/10) rates confidentiality impact as none; integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CWE
- CWE-787
- CCR priority
- 36.5 /100 (P4)
- CVSS 3.1
- 9.1 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H · Source advisory
- EPSS
- 0.00501 · percentile 0.41994 · 2026-10-22
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-24 01:40:49.068977+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-71263.html