Detections
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PLANET IGS-5225-8P2T4S Active Debug Code (CVE-2026-81943)

high Tenable OT Security Plugin ID 506478

Synopsis

The remote OT asset is affected by a vulnerability.

Description

PLANET IGS-5225-8P2T4S industrial managed switch V1 and V2 firmware versions before 1.2412b260707 and 2.2412b260519 contain active debug functionality in the embedded software. An attacker with privileged access to the device can enable this debug mode to execute arbitrary code on the underlying operating system and gain root-level access.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Upgrade IGS-5225-8P2T4S V1 to firmware v1.2412b260707 or later, and IGS-5225-8P2T4S V2 to firmware v2.2412b260519 or later.

See Also

https://www.planet.com.tw/en/support/security-advisory/11

Plugin Details

Severity: High

ID: 506478

File Name: tenable_ot_planet_CVE-2026-81943.nasl

Version: 1.1

Type: Remote

Family: Tenable.ot

Published: 10/27/2026

Updated: 10/27/2026

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.27

CVSS v3

Risk Factor: Medium

Base Score: 6.7

Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS v4

Risk Factor: High

Base Score: 8.4

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

CPE: cpe:/o:planet:igs-5225-8p2t4s_firmware:1, cpe:/o:planet:igs-5225-8p2t4s_firmware:2

Required KB Items: Tenable.ot/PLANET

Patch Publication Date: 9/18/2026

Vulnerability Publication Date: 9/18/2026

Reference Information

CVE: CVE-2026-81943

CWE: 489