CVE-2022-27292
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 · uneditedD-Link DIR-619 Ax v1.00 was discovered to contain a stack overflow in the function formLanguageChange. This vulnerability allows attackers to cause a Denial of Service (DoS) via the nextPage parameter.
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 the formLanguageChange function of D-Link DIR-619 Ax v1.00 firmware. The vulnerability is triggered by an overly long nextPage parameter, allowing an attacker to overflow the stack and cause a Denial of Service. This is a classic input validation failure where user-supplied data is copied to a fixed-size stack buffer without proper bounds checking.
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= 1.00CVSS 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
- None
- Integrity
- None
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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 device's web management interface or check the device label to confirm the exact model is D-Link DIR-619 Ax. This vulnerability affects only the Ax variant, not other DIR-619 revisions.Affected if The device is not a D-Link DIR-619 Ax model, then it is not affected by this specific CVE.
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Check the firmware versionLog into the device's web management interface and navigate to the Status or System Information page to view the current firmware version. Alternatively, use the device's administration console if available.Affected if The firmware version is 1.00, the device is potentially affected. If the version differs from 1.00, compare against the affected range.
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Verify the web management interface is accessibleAttempt to access the device's web interface on the typical HTTP ports (80 or 443) by entering the device's IP address in a web browser. Confirm the interface is reachable.Affected if The web interface is not accessible from your network vantage point, the exploit vector is not currently reachable, though the vulnerability still exists in the firmware.
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Determine if remote management is enabledIn the device's web management interface, locate the Remote Management or WAN Access settings (typically under Administration or System settings). Check whether remote access to the web interface is permitted from outside the local network.Affected if Remote management is enabled and the web interface is internet-facing, the device has a direct attack surface for this vulnerability.
You are affected if you have a D-Link DIR-619 Ax device running firmware version 1.00 with the web management interface accessible, particularly if remote management is enabled.
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 dataApply vendor-supplied firmware patches when available; in the interim, restrict access to the device's web management interface to trusted networks only and disable remote management if not required.
- Consultation3.0 h
- Implementation4.0 h
- Testing3.0 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 $3,408.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2022-27292 — 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-2022-27292 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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