CVE-2026-7682
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 security flaw has been discovered in Edimax BR-6208AC 1.02. The impacted element is the function setWAN of the file /goform/setWAN of the component L2TP Mode. The manipulation of the argument L2TPUserName results in command injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
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 confidenceCommand injection vulnerability in Edimax BR-6208AC router firmware 1.02. The L2TPUserName parameter in the /goform/setWAN form is not properly sanitized before being used in shell command execution, allowing remote attackers to inject arbitrary OS commands via the web interface.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS 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
- Low
- Integrity
- Low
- Availability
- Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
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 router modelAccess the router web interface and check the device information page, or log into the admin panel and look for the model name (BR-6208AC) in the status or system settings.Affected if The device is an Edimax BR-6208AC router.
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Check the firmware versionIn the router web interface, navigate to the firmware version information (usually under Status, System, or Administration). Look for version 1.02.Affected if The firmware version is exactly 1.02.
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Verify L2TP WAN configuration is presentIn the router web interface, go to the WAN settings (Internet or WAN Setup) and check if L2TP is selected as the connection type or if an L2TP connection is configured.Affected if L2TP is enabled or configured as the WAN connection type.
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Check web interface network exposureDetermine if the router admin web interface (port 80/443) is accessible from outside the local network. Check your firewall rules or port forwarding settings.Affected if The router web management interface is exposed to the internet or untrusted networks.
A user is affected if they own an Edimax BR-6208AC router running firmware 1.02, have L2TP configured as their WAN connection type, and the router web interface is accessible from untrusted networks.
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 dataSince the vendor did not respond and the device appears to be end-of-life with no patch available, the primary mitigation is to restrict network access to the router's web management interface (do not expose to internet) and implement firewall rules to limit exposure. Consider replacing the device with a supported model.
- Consultation3.0 h
- Implementation6.0 h
- Testing3.0 h
- Review / QA2.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2026-7682 — 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-2026-7682 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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