Detections
Analytics

PLANET IGS-5225-8P2T4S Use of Weak Hash (CVE-2026-81946)

medium Tenable OT Security Plugin ID 506477

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 use MD5-based password hashing, a cryptographic algorithm with known weaknesses. An attacker who obtains the device configuration file can recover the privileged- mode access password.

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: Medium

ID: 506477

File Name: tenable_ot_planet_CVE-2026-81946.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: Low

Score: 3

Percentile: 23.58

CVSS v3

Risk Factor: Medium

Base Score: 4.4

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

CVSS v4

Risk Factor: Medium

Base Score: 6.7

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/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-2026-81946

CWE: 328