CVE-2025-70237
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/formSetPortTr.
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 buffer overflow vulnerability exists in the D-Link DIR-513 v1.10 router's web management interface. The curTime parameter passed to the goform/formSetPortTr handler lacks proper bounds checking, allowing an attacker to overwrite stack memory and potentially achieve remote code execution with root 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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Confirm device model is DIR-513Log into the router web interface or check the device label/marketing materials to verify the exact model number is D-Link DIR-513Affected if Device is not a DIR-513 model, then this specific CVE does not apply
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Check firmware version equals 1.10Access the router web management interface, typically at 192.168.0.1, and navigate to Status or System settings to view the firmware version; alternatively, check via telnet/SSH if enabled or inspect firmware file if extractedAffected if Firmware version is NOT exactly 1.10, then the device is not affected by this specific CVE
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Verify web management interface is enabledCheck router settings to confirm the HTTP/HTTPS web management interface is turned ON; on DIR-513 this is typically found under Management or System settingsAffected if Web management interface is disabled, then the attack surface for this vulnerability does not exist
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Confirm router is accessible on the networkAttempt to access the router web interface from the network segment where the router is deployed; verify the IP address is reachable via ping or HTTP connectionAffected if Router web interface is not network-accessible (isolated locally only), then remote exploitation is not possible though the vulnerable code still exists in firmware
Device is affected only if it is exactly a D-Link DIR-513 router running firmware version 1.10 with the web management interface enabled and accessible on the network.
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 D-Link support for available firmware updates; if unavailable (likely given device age), implement network access controls to restrict management interface exposure or replace the end-of-life device.
- Consultation2.0 h
- Implementation3.0 h
- Testing2.0 h
- Review / QA1.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2025-70237 — 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-2025-70237 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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