CVE-2023-45225
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 · uneditedZavio CF7500, CF7300, CF7201, CF7501, CB3211, CB3212, CB5220, CB6231, B8520, B8220, and CD321 IP Cameras with firmware version M2.1.6.05 are vulnerable to multiple instances of stack-based overflows. While parsing certain XML elements from incoming network requests, the product does not sufficiently check or validate allocated buffer size. This may lead to remote code execution.
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 confidenceMultiple stack-based buffer overflows in Zavio IP camera firmware M2.1.6.05 allow remote attackers to execute arbitrary code by sending specially crafted network requests with oversized XML elements that overflow the fixed-size stack buffers used during XML parsing.
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= m2.1.6.05= m2.1.6.05= m2.1.6.05= m2.1.6.05= m2.1.6.05= m2.1.6.05= m2.1.6.05= m2.1.6.05CVSS 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 checksWork through these to decide whether this CVE applies to you.
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Identify Zavio camera modelAccess the camera web interface or check the device label/menu to determine the exact model number (Cf7500, Cf7300, Cf7201, Cf7501, Cb3211, Cb3212, Cb5220, or Cb6231)Affected if The model is one of: Cf7500, Cf7300, Cf7201, Cf7501, Cb3211, Cb3212, Cb5220, Cb6231
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Check installed firmware versionLog into the camera web interface and navigate to System > Firmware Upgrade or System Information page to view the current firmware versionAffected if The firmware version is exactly m2.1.6.05
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Verify XML parsing interface is accessibleCheck if the camera web interface (HTTP/HTTPS) is reachable from the network. Attempt to access common CGI endpoints such as /cgi-bin/ or the login pageAffected if The camera management web interface is exposed on the network (even on local LAN)
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Confirm network exposure levelDetermine if the camera HTTP/HTTPS ports are accessible from untrusted networks or the internet, or only from isolated management networksAffected if The camera is accessible from networks beyond the immediate local management subnet
A user is affected if they have any of the listed Zavio camera models (Cf7500, Cf7300, Cf7201, Cf7501, Cb3211, Cb3212, Cb5220, Cb6231) running firmware version m2.1.6.05 with the web interface network-accessible.
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 dataUpdate affected camera models to a vendor-released patched firmware version. If no patch is available, restrict network access to camera management interfaces using firewalls or VLANs to reduce attack surface.
- Consultation4.0 h
- Implementation8.0 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 $6,176.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-45225 — 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-2023-45225 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
- No weaponised exploit code, or anything meant to cause harm
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