CVE-2025-5734
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 · uneditedA vulnerability has been found in TOTOLINK X15 1.0.0-B20230714.1105 and classified as critical. This vulnerability affects unknown code of the file /boafrm/formWlanRedirect of the component HTTP POST Request Handler. The manipulation of the argument redirect-url leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
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 confidenceBuffer overflow vulnerability in TOTOLINK X15 router firmware (version 1.0.0-B20230714.1105) in the /boafrm/formWlanRedirect HTTP POST handler. The redirect-url parameter lacks proper bounds checking, allowing remote attackers to overflow a buffer and potentially execute arbitrary code or cause denial of service.
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= 1.0.0-b20230714.1105CVSS 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.
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Identify router modelCheck the device label or access the admin web interface to confirm the model is TOTOLINK X15Affected if Model is not TOTOLINK X15 (not affected)
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Check firmware versionAccess the router admin panel (typically at 192.168.0.1 or 192.168.1.1) and navigate to System Status or Firmware Upgrade page to view the installed firmware versionAffected if Firmware version is exactly 1.0.0-B20230714.1105 (vulnerable version)
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Verify web interface accessibilityAttempt to access the router HTTP/HTTPS management interface from the network. Check if port 80 or 443 is open and reachable.Affected if Web interface is exposed to untrusted networks (potentially exploitable)
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Confirm formWlanRedirect endpoint existsSend a POST request to /boafrm/formWlanRedirect with the redirect-url parameter, or inspect the router web application binary for this handlerAffected if The formWlanRedirect handler with redirect-url parameter exists (vulnerable code path present)
If the device is a TOTOLINK X15 running firmware version 1.0.0-B20230714.1105 and the web management interface is accessible, the environment is affected by this buffer overflow vulnerability.
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 firmware patch if available; otherwise, restrict administrative web interface access to trusted networks only or disable the WLAN redirect feature. Network segmentation and firewall rules to block external access to the device's HTTP/HTTPS management ports are critical compensating controls.
- Consultation3.0 h
- Implementation4.0 h
- Testing2.0 h
- Review / QA1.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2025-5734 — 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-2025-5734 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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- Version or environment caveats, and links to real fixes
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