CVE-2025-70234
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 · uneditedStack buffer overflow vulnerability in D-Link DIR-513 v1.10 via the curTime parameter to goform/formSetQoS.
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 confidenceA stack-based buffer overflow vulnerability exists in the D-Link DIR-513 router firmware version 1.10. The vulnerability is triggered via the curTime parameter in the /goform/formSetQoS web interface endpoint, allowing an attacker to overflow a stack-allocated buffer and potentially execute arbitrary code with elevated privileges.
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= 1.10CVSS 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 the device modelAccess the router web interface or check the device label/menu to confirm the exact model is D-Link DIR-513Affected if The device is not a D-Link DIR-513 router, then it is not affected by this specific CVE
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Check the firmware versionLog into the router web interface and navigate to the System or Status section to view the firmware version, or use the router's upgrade pageAffected if The firmware version is not 1.10 - only version 1.10 is listed as affected in this CVE
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Verify QoS feature is accessibleLog into the router web interface and check if QoS settings are available under the Advanced or Bandwidth Management sectionsAffected if The QoS feature must be enabled or accessible for the vulnerable /goform/formSetQoS endpoint to be reachable
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Confirm web management interface is activeAttempt to access the router login page at the default gateway IP address (typically 192.168.0.1 or 192.168.1.1) using HTTPAffected if The web interface must be active to interact with the vulnerable /goform/formSetQoS endpoint
The environment is affected only if the device is a D-Link DIR-513 router running firmware version 1.10 with the QoS feature accessible through an active web management interface.
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 dataCheck for available firmware updates from D-Link; if no patch exists, isolate the device on a restricted network segment or replace the end-of-life hardware.
- Consultation4.0 h
- Implementation12.0 h
- Testing6.0 h
- Review / QA3.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $7,040.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-70234 — 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-2025-70234 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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