CVE-2025-11787Network attack vector

Authenticated command execution via unsanitized diagnostic parameters

Published Dec 2, 2025 · Updated Dec 2, 2025

OS command injection in Circutor SGE-PLC1000 9.0.2 and SGE-PLC50 9.0.2 allows remote authenticated users to execute arbitrary commands. The GetDNS, CheckPing, and TraceRoute handlers in index.cgi insert the dns, ping, or traceroute parameter into an sprintf-built shell command and pass it to popen without validation or metacharacter neutralization. Exploitation requires low-privileged network access and active user interaction; injected commands execute with the privileges of index.cgi.

CVSS severity8.5
High
EPSS probability1.01%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

OS command injection in Circutor SGE-PLC1000 9.0.2 and SGE-PLC50 9.0.2 allows remote authenticated users to execute arbitrary commands. The GetDNS, CheckPing, and TraceRoute handlers in index.cgi insert the dns, ping, or traceroute parameter into an sprintf-built shell command and pass it to popen without validation or metacharacter neutralization. Exploitation requires low-privileged network access and active user interaction; injected commands execute with the privileges of index.cgi.

The record

CVE
CVE-2025-11787
Published
Dec 2, 2025
Updated
Dec 2, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-78, T1059.004
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 2, 2025CVE publishedPublication date reported by the CVE source.
  2. Dec 2, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

8.0IOActiveCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
8.8NIST National Vulnerability DatabaseCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.5Spanish National Cybersecurity Institute, S.A. (INCIBE)CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
T1059.004Command and Scripting Interpreter: Unix Shell

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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