OS Command InjectionWeakness · CWE-78

CVE-2026-36356

CRITICAL · 9.1 CVSS v3.1 Published 2026-05-05
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
The GoAhead web server on MeiG Smart FORGE_SLT711 devices (firmware MDM9607.LE.1.0-00110-STD.PROD-1) allows unauthenticated OS command injection via the /action/SetRemoteAccessCfg endpoint.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

The GoAhead web server on MeiG Smart FORGE_SLT711 devices (firmware MDM9607.LE.1.0-00110-STD.PROD-1) contains an unauthenticated OS command injection vulnerability in the /action/SetRemoteAccessCfg endpoint. An attacker can send specially crafted requests to execute arbitrary OS commands without any authentication credentials, achieving remote code execution at the operating system level.

MitigationApply vendor-provided firmware updates when available; as an interim measure, disable or restrict network access to the vulnerable web server endpoint and implement network segmentation to limit exposure of affected devices.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

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

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify device model and firmware version
    Check the device label or system information for the model number FORGE_SLT711 and firmware version MDM9607.LE.1.0-00110-STD.PROD-1. On the device, run 'cat /proc/version' or check the web server banner if accessible.
    Affected if The device is a MeiG Smart FORGE_SLT711 running firmware MDM9607.LE.1.0-00110-STD.PROD-1 or earlier versions.
  2. Confirm GoAhead web server is running
    Check for the GoAhead HTTP server process by running 'ps | grep goahead' or 'ps aux' on the device. Alternatively, probe the HTTP service banner if exposed.
    Affected if The GoAhead web server process is running on the device.
  3. Verify the vulnerable endpoint exists
    Attempt to access the URI /action/SetRemoteAccessCfg on the device's web server (e.g., curl http://<device-ip>/action/SetRemoteAccessCfg). Check if the endpoint responds or returns an error indicating it exists.
    Affected if The /action/SetRemoteAccessCfg endpoint is present and accessible without authentication.
  4. Inspect web server configuration
    Examine the GoAhead web server configuration files (typically webs.conf or goahead.conf in /etc or /etc/web) to see if the SetRemoteAccessCfg handler is defined and enabled.
    Affected if The SetRemoteAccessCfg handler is enabled in the web server configuration.
  5. Check for signs of unauthorized command execution
    Review system logs (/var/log/messages, /var/log/syslog) and shell history files for unexpected commands, especially those involving network callbacks, shell spawns, or suspicious utilities. Look for anomalies in /proc/<pid>/cmdline for web server child processes.
    Affected if Logs or process information shows unexpected command execution originating from the web server.

A defender is affected if they operate a MeiG Smart FORGE_SLT711 device with the specified firmware where the GoAhead web server exposes the unauthenticated /action/SetRemoteAccessCfg endpoint.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Apply vendor-provided firmware updates when available; as an interim measure, disable or restrict network access to the vulnerable web server endpoint and implement network segmentation to limit exposure of affected devices.

Have this fixed Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing4.0 h
  • Review / QA2.0 h
18.0 hours of engineering $3,200
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Scan for this in your stack

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2026-36356 in production — separate from our analysis above.

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
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  • Version or environment caveats, and links to real fixes
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