dbcve.org
Spectralnet Narrowband FirmwareOperating system · Kratosdefense

CVE-2022-38156

HIGH · 7.2 CVSS v3.1 Published 2023-06-12
Fix available
A fix is available. Upgrade to 1.7.5 or later.
See remediation →
78/100
Remediation priority · High
Remotely reachable 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
A remote command injection issues exists in the web server of the Kratos SpectralNet device with SpectralNet Narrowband (NB) before 1.7.5. As an admin user, an attacker can send a crafted password in order to execute Linux commands as the root user.

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

Remote command injection vulnerability in the web server of Kratos SpectralNet devices running SpectralNet Narrowband versions before 1.7.5. An authenticated admin user can inject arbitrary Linux commands via a crafted password parameter, achieving root-level code execution on the underlying operating system.

MitigationUpgrade to SpectralNet Narrowband version 1.7.5 or later to patch the command injection vulnerability. Restrict admin access to trusted personnel and monitor for any unauthorized access attempts.

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
Spectralnet Narrowband FirmwareOperating system
Affected:< 1.7.5

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
High
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:H/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 the device as a Kratos SpectralNet Narrowband system
    Access the web interface or check the device documentation/model number to confirm it is a Kratos SpectralNet device running SpectralNet Narrowband software
    Affected if The device is NOT a Kratos SpectralNet Narrowband system - this CVE does not apply
  2. Determine the installed SpectralNet Narrowband firmware version
    Log into the web interface and navigate to the About/System Info page, or check via CLI using 'cat /etc/version' or 'spectralnet --version' if available, or check the firmware file name if you have access to it
    Affected if The installed version is before 1.7.5 (e.g., 1.7.4, 1.6.x, 1.5.x, etc.) - these versions are vulnerable
  3. Verify the web server interface is accessible
    Attempt to access the web interface via HTTP/HTTPS on the device's management IP address (typically port 80 or 443)
    Affected if The web server is exposed and reachable on the network - the attack surface exists
  4. Confirm admin authentication is enabled
    Check if the admin login page is accessible and determine if default credentials or configured admin accounts exist
    Affected if Admin authentication is enabled and functional - the vulnerability requires authenticated admin access to exploit

You are affected if you have a Kratos SpectralNet Narrowband device running firmware version 1.7.4 or earlier with an accessible web interface and active admin accounts.

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.

dbcve · scoped
Upgrade available Upgrade to 1.7.5 or later
Fixed in 1.7.5
Interim mitigation

Upgrade to SpectralNet Narrowband version 1.7.5 or later to patch the command injection vulnerability. Restrict admin access to trusted personnel and monitor for any unauthorized access attempts.

Recommended fix Moderate confidence

SpectralNet Narrowband Firmware 1.7.5

  1. Obtain SpectralNet Narrowband Firmware version 1.7.5 or later from Kratos Defense (www.kratosdefense.com)
  2. Follow the standard firmware upgrade procedure documented in the Kratos SpectralNet administration guide
  3. Verify the firmware upgrade was successful by checking the firmware version in the web interface or CLI
  4. Confirm the command injection vulnerability is no longer present by testing with the previously vulnerable parameter

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Spectralnet Narrowband Firmware Scoped from the published advisory
  • Consultation2.0 h
  • Implementation2.0 h
  • Testing2.0 h
  • Review / QA1.0 h
7.0 hours of engineering $1,240
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $1,984.

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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-2022-38156 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
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data