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Vulnerability record · CVE-2026-81942 · published 18 September 2026

CVE-2026-81942: OS command injection vulnerability

PLANET IGS-5225-8P2T4S industrial managed switch V1 and V2 firmware versions before 1.2412b260707 and 2.2412b260519 contain an OS command injection vulnerability in the web server. User-supplied input is passed to system() without sufficient filtering, allowing a remote authenticated attacker to execute arbitrary commands on the underlying operating system and escalate privileges to root.

8.7 CVSS 4.0 High EPSS 1.9% · top 21.2% CWE-78 · OS command injection Deferred
8.7CVSS 4.0 base score
1.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
22 Sep 2026Last modified by NVD

Description

PLANET IGS-5225-8P2T4S industrial managed switch V1 and V2 firmware versions before 1.2412b260707 and 2.2412b260519 contain an OS command injection vulnerability in the web server. User-supplied input is passed to system() without sufficient filtering, allowing a remote authenticated attacker to execute arbitrary commands on the underlying operating system and escalate privileges to root.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
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

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Source: NIST National Vulnerability Database (record CVE-2026-81942), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.