CVE-2022-40784
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 · uneditedUnlimited strcpy on user input when setting a locale file leads to stack buffer overflow in mIPC camera firmware 5.3.1.2003161406.
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 confidenceA stack buffer overflow vulnerability exists in mIPC camera firmware version 5.3.1.2003161406 where the strcpy() function is used without bounds checking on user-supplied input when setting a locale file. An attacker can provide input exceeding the destination buffer size, causing a stack buffer overflow that could allow remote code execution.
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= 5.3.1.2003161406CVSS 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
- High
- Availability
- High
CVSS:3.1/AV:N/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.
-
Identify the device modelDetermine if the target device is a Mipcm MIPC camera. Check the device documentation, web interface, or system information for the product name and model.Affected if The device is not a Mipcm MIPC camera, then it is not affected by this specific CVE.
-
Check the firmware versionAccess the camera web interface (typically via HTTP/HTTPS on the local network) and navigate to the System or About settings section to view the firmware version. Alternatively, use the camera's API or CLI if available to query the firmware version.Affected if The firmware version is exactly 5.3.1.2003161406. Only this specific version is listed as affected.
-
Verify the locale setting feature is accessibleLocate the locale or language settings within the camera web interface (usually under System, Settings, or Configuration menus). Determine if this feature is accessible to users or requires authentication.Affected if The locale setting feature is exposed and usable. The vulnerability is triggered when setting a locale file using user-supplied input without bounds checking.
You are affected only if you have a Mipcm MIPC camera running firmware version exactly 5.3.1.2003161406 and the locale setting feature is accessible in your environment.
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 dataReplace unbounded string copy functions (strcpy) with bounds-checked alternatives (strncpy, strlcpy) and implement proper input validation for locale file settings. Firmware update from vendor once available.
- Consultation6.0 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 $6,816.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2022-40784 — 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-2022-40784 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
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
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.
- 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