CVE-2025-44083
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 · uneditedAn issue in D-Link DI-8100 16.07.26A1 allows a remote attacker to bypass administrator login authentication
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 remote authentication bypass vulnerability in D-Link DI-8100 router firmware 16.07.26A1 allows unauthenticated remote attackers to circumvent administrator login authentication, likely granting full administrative access to the device without valid credentials.
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= 16.07.26a1CVSS 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 D-Link DI-8100Access the router web interface or check the device label/metadata. Look for 'DI-8100' or 'DI-8100v' model identifier in the device admin page under Status or System Information.Affected if The device model shows anything other than D-Link DI-8100, then this specific CVE does not apply.
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Identify the installed firmware versionLog into the router admin interface and navigate to Status > System Information or similar. Look for a firmware version field. Alternatively, check the file name if you have access to the firmware file directly.Affected if The firmware version is exactly 16.07.26A1 (case-insensitive match). If the version differs (higher or lower), this specific CVE may not apply.
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Verify web management interface is remotely accessibleCheck router firewall or port forwarding settings. Attempt to access the router login page from an external IP if remote management is enabled. Look for HTTP/HTTPS ports (typically 80/443) open to WAN in the router's firewall configuration.Affected if The router admin web interface is exposed directly to the internet (WAN side) and the firmware is version 16.07.26A1.
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Test for authentication bypass conditionThis step requires security assessment context. If the admin login page at /login.cgi or /web_login.php responds differently when supplied with malformed credentials or specific request patterns compared to a failed auth message, the bypass may be present. However, do not actively exploit - simply note if the login mechanism accepts any input without rejecting it.Affected if The login form accepts any credentials or returns a success/valid session response without valid credentials on firmware version 16.07.26A1.
You are affected only if the device is a D-Link DI-8100 router running firmware version exactly 16.07.26A1 AND the web management interface is accessible (either LAN or WAN).
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 update if available; otherwise isolate the device behind a firewall or consider device replacement given potential end-of-life status.
- Consultation4.0 h
- Implementation2.0 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 $3,152.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-44083 — 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-2025-44083 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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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