CVE-2026-75123

PLANET GS-4210-16P2S V3 Command Injection via dispatcher.cgi web_smtp_test_post

Published Aug 28, 2026 CVSS 4.0 · 8.6 High EPSS 1.5% KEV · Not listed
Description
PLANET GS-4210-16P2S V3 firmware before 3.441b260626 contains an authenticated OS command injection vulnerability in /cgi-bin/dispatcher.cgi. The web_smtp_test_post handler incorporates a caller-supplied SMTP server value directly into a shell command without sanitization. A remote attacker with administrator web credentials can send a crafted SMTP server value to execute arbitrary operating-system commands on the device.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Description PLANET GS-4210-16P2S firmware before 3.441b260626 contains an authenticated OS command injection vulnerability in /cgi-bin/dispatcher.cgi. The web_smtp_test_post handler incorporates a caller-supplied SMTP server value directly into a shell command without sanitization. A remote attacker with administrator web credentials can send a crafted SMTP server value to execute arbitrary operating-system commands on the device. PLANET GS-4210-16P2S V3 firmware before 3.441b260626 contains an authenticated OS command injection vulnerability in /cgi-bin/dispatcher.cgi. The web_smtp_test_post handler incorporates a caller-supplied SMTP server value directly into a shell command without sanitization. A remote attacker with administrator web credentials can send a crafted SMTP server value to execute arbitrary operating-system commands on the device.
Title PLANET GS-4210-16P2S Command Injection via dispatcher.cgi web_smtp_test_post PLANET GS-4210-16P2S V3 Command Injection via dispatcher.cgi web_smtp_test_post
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Planet Technology Corp
Planet Technology Corp planet Gs-4210-16p2s
Vendors & Products Planet Technology Corp
Planet Technology Corp planet Gs-4210-16p2s
Type Values Removed Values Added
Description PLANET GS-4210-16P2S firmware before 3.441b260626 contains an authenticated OS command injection vulnerability in /cgi-bin/dispatcher.cgi. The web_smtp_test_post handler incorporates a caller-supplied SMTP server value directly into a shell command without sanitization. A remote attacker with administrator web credentials can send a crafted SMTP server value to execute arbitrary operating-system commands on the device.
Title PLANET GS-4210-16P2S Command Injection via dispatcher.cgi web_smtp_test_post
Weaknesses CWE-78
References
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Sep 1, 2026, 8:27 PM
Reserved
Aug 17, 2026, 6:39 PM
Status
Awaiting Analysis
Published
Aug 28, 2026, 8:19 PM
Modified
Sep 8, 2026, 8:20 PM