---
title: "CVE-2026-81942: PLANET IGS-5225-8P2T4S - Command Injection & Privilege Escalation"
description: "PLANET IGS-5225-8P2T4S industrial managed switch V1 and V2 firmware < 1.2412b260707 and < 2.2412b260519 contain a command injection caused by insufficient filtering of user input in the web server, letting remote authenticated attackers execute arbitrary OS commands and escalate privileges to root."
url: https://panop.io/threat-heartbeat/CVE-2026-81942/
---

# CVE-2026-81942 PLANET IGS-5225-8P2T4S - Command Injection & Privilege Escalation

PLANET IGS-5225-8P2T4S industrial managed switch V1 and V2 firmware < 1.2412b260707 and < 2.2412b260519 contain a command injection caused by insufficient filtering of user input in the web server, letting remote authenticated attackers execute arbitrary OS commands and escalate privileges to root.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

1.90% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-81942)

## Details

Type

Command Injection

Impact

Remote Code Execution, Privilege Escalation

CVSS vector

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

Published

18 September 2026

Updated

15 October 2026

Weakness

[CWE-78](https://cwe.mitre.org/data/definitions/78.html)

## Vendor fix

Update to firmware versions 1.2412b260707 or 2.2412b260519 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-81942](https://nvd.nist.gov/vuln/detail/CVE-2026-81942)
- [https://www.planet.com.tw/en/support/security-advisory/11](https://www.planet.com.tw/en/support/security-advisory/11)
- [https://www.vulncheck.com/advisories/planet-igs-5225-8p2t4s-v1-v2-os-command-injection-via-web-server](https://www.vulncheck.com/advisories/planet-igs-5225-8p2t4s-v1-v2-os-command-injection-via-web-server)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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