What’s Vulnerable › Vulnerabilities

CVE-2026-81943: PLANET IGS-5225-8P2T4S V1/V2 Debug Mode RCE

• Severity: medium (CVSS 6.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-18 · updated 2026-09-22
• Weakness: CWE-489

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.

Affected products

• PLANET Technology Corp. PLANET IGS-5225-8P2T4S V1: before 1.2412b260707 — fixed in 1.2412b260707
• PLANET Technology Corp. PLANET IGS-5225-8P2T4S V2: before 2.2412b260519 — fixed in 2.2412b260519

How to fix

Upgrade to a fixed version: PLANET Technology Corp. PLANET IGS-5225-8P2T4S V1 1.2412b260707; PLANET Technology Corp. PLANET IGS-5225-8P2T4S V2 2.2412b260519. Check the vendor advisory for mitigations.

References

• https://www.planet.com.tw/en/support/security-advisory/11
• https://www.vulncheck.com/advisories/planet-igs-5225-8p2t4s-v1-v2-debug-mode-rce

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