Quartz Gold FirmwareOperating system · Siretta

CVE-2022-42490

CRITICAL · 9.8 CVSS v3.1 Published 2023-01-26
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
Several OS command injection vulnerabilities exist in the m2m binary of Siretta QUARTZ-GOLD G5.0.1.5-210720-141020. A specially-crafted network request can lead to arbitrary command execution. An attacker can send a network request to trigger these vulnerabilities.This command injection is reachable through the m2m's DOWNLOAD_CFG_FILE command

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 · moderate confidence

The Siretta QUARTZ-GOLD router firmware (G5.0.1.5-210720-141020) contains an OS command injection vulnerability in the m2m binary. Attackers can send specially-crafted network requests to the DOWNLOAD_CFG_FILE command to execute arbitrary operating system commands with the privileges of the affected service.

MitigationApply the vendor-provided firmware patch when available. As an interim control, restrict network access to the m2m management interface and disable the DOWNLOAD_CFG_FILE command if possible.

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

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Quartz Gold FirmwareOperating system
Affected:= g5.0.1.5-210720-141020

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
High

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

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 firmware version
    Access the router admin web interface or check the system information page, or use SNMP/syslog to query the router firmware version. Compare against 'g5.0.1.5-210720-141020'.
    Affected if The installed firmware version is exactly g5.0.1.5-210720-141020
  2. Locate the m2m binary
    On the router filesystem, locate the m2m binary (typically in /usr/bin/, /bin/, or /sbin/ depending on firmware structure). Verify its presence and permissions.
    Affected if The m2m binary exists on the device and is executable
  3. Check if m2m service is running
    Use the router's CLI or look for running processes via 'ps' or equivalent to determine if the m2m service is actively running.
    Affected if The m2m service process is currently running on the device
  4. Verify m2m management interface accessibility
    Check network configuration to determine if the m2m management interface (typically on a specific port or network interface) is exposed to untrusted networks. Look for firewall rules, interface bindings, and listening ports.
    Affected if The m2m management interface is accessible from untrusted networks (e.g., WAN or non-localhost)
  5. Confirm DOWNLOAD_CFG_FILE command is enabled
    If accessible, query the m2m service configuration or help output to verify the DOWNLOAD_CFG_FILE command is available and not disabled.
    Affected if The DOWNLOAD_CFG_FILE command is available and enabled in the m2m configuration

The user is affected if the firmware version is exactly g5.0.1.5-210720-141020 AND the m2m service is running with the DOWNLOAD_CFG_FILE command accessible on an exposed network interface.

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 the vendor-provided firmware patch when available. As an interim control, restrict network access to the m2m management interface and disable the DOWNLOAD_CFG_FILE command if possible.

Fix this in Quartz Gold Firmware Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing6.0 h
  • Review / QA4.0 h
22.0 hours of engineering $3,860
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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-2022-42490 in production — separate from our analysis above.

No notes yet

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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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