Spa112 FirmwareOperating system · Cisco
CVE-2019-15252
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 · uneditedMultiple vulnerabilities in Cisco SPA100 Series Analog Telephone Adapters (ATAs) could allow an authenticated, adjacent attacker to execute arbitrary code with elevated privileges. The vulnerabilities are due to improper validation of user-supplied input to the web-based management interface. An attacker could exploit these vulnerabilities by authenticating to the web-based management interface and sending crafted requests to an affected device. A successful exploit could allow the attacker to execute arbitrary code with elevated privileges. Note: The web-based management interface is enabled by default.
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 confidenceMultiple input validation vulnerabilities in the web-based management interface of Cisco SPA100 Series ATAs allow an authenticated attacker to send specially crafted requests that result in arbitrary code execution with elevated privileges. The attack requires the attacker to have valid credentials and be on the adjacent network.
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
- Adjacent
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:A/AC:L/PR:L/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 checksWork through these to decide whether this CVE applies to you.
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Identify the device modelAccess the web-based management interface of the Cisco ATA device and navigate to the Status or System Information page to confirm the model number is SPA112 or SPA122.Affected if The device is a Cisco SPA112 or SPA122 model ATA.
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Check installed firmware versionIn the web interface, locate the firmware version information (typically under Status > Product Information or Administration > Firmware). Compare this version to 1.4.1.Affected if The firmware version is less than 1.4.1 or exactly 1.4.1.
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Verify web-based management is enabledIn the web interface, navigate to Administration > Management and confirm the web-based management interface setting is enabled.Affected if Web-based management interface is currently enabled.
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Confirm network accessibilityDetermine if the web management interface is accessible from beyond the adjacent network (for example, from the internet or an untrusted network segment).Affected if The web interface is accessible from untrusted or non-adjacent network segments.
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Verify authentication configurationIn the web interface under Administration > User Management or similar, check if strong credentials are configured for administrative access.Affected if Default credentials are in use or weak credentials are configured.
The environment is affected if a Cisco SPA112 or SPA122 device is running firmware version 1.4.1 or earlier, with the web-based management interface enabled and accessible from the attacker's network position.
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 vendor firmware update when available, or disable the web-based management interface if not required, and ensure strong authentication credentials are in place to reduce attack surface.
Fix this in Spa112 Firmware
Scoped from the published advisory
- Consultation8.0 h
- Implementation12.0 h
- Testing6.0 h
- Review / QA4.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $8,608.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2019-15252 — 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-2019-15252 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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