Spa112 FirmwareOperating system · Cisco
CVE-2019-12704
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 · uneditedA vulnerability in the web-based management interface of Cisco SPA100 Series Analog Telephone Adapters (ATAs) could allow an authenticated, remote attacker to view the contents of arbitrary files on an affected device. The vulnerability is due to improper input validation in the web-based management interface. An attacker could exploit this vulnerability by sending a crafted request to the web-based management interface of an affected device. A successful exploit could allow the attacker to retrieve the contents of arbitrary files on the device, possibly resulting in the disclosure of sensitive information.
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 confidenceImproper input validation in the web-based management interface of Cisco SPA100 Series ATAs allows an authenticated attacker to send crafted requests that bypass path restrictions, enabling arbitrary file read on the device filesystem. This is a local file inclusion/path traversal vulnerability requiring authentication.
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
Spa112 FirmwareOperating system
< 1.4.1= 1.4.1
Spa122 FirmwareOperating system
< 1.4.1= 1.4.1CVSS 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
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/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 checksWork through these to decide whether this CVE applies to you.
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Identify the device modelCheck the product label or access the web management interface to confirm the device is a Cisco SPA112 or SPA122 ATA.Affected if Device is not a SPA112 or SPA122 model.
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Check the firmware versionAccess the web-based management interface and navigate to the Administration or System Information page to view the firmware version, or use the device's administrative CLI if available.Affected if Firmware version is 1.4.1 or earlier (including any version below 1.4.1).
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Verify web management interface is enabledAccess the device configuration and check if the web-based management interface is enabled (typically under Administration > Web Management or similar settings).Affected if The web-based management interface is enabled and accessible.
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Confirm authentication is in useVerify that authentication is required to access the web management interface by attempting to access it without credentials.Affected if The web interface is accessible without authentication (though this would actually represent an additional vulnerability).
The environment is affected if the device is a Cisco SPA112 or SPA122 running firmware version 1.4.1 or earlier with the web-based management interface enabled and accessible, since an authenticated attacker could exploit the path traversal to read arbitrary files.
Generated from the published advisory. Verify against your own configuration.
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 data1.4.1
Apply the Cisco firmware patch when available; until then, restrict web management interface access to trusted networks only and use strong authentication credentials.
Fix this in Spa112 Firmware
Scoped from the published advisory
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $5,600.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2019-12704 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2019-12704 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
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