CVE-2013-3441
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 · uneditedCisco Aironet 3600 access points allow remote attackers to cause a denial of service (memory corruption and device crash) by disrupting Cisco Wireless LAN Controller communication and consequently forcing many transitions from FlexConnect mode to Standalone mode, aka Bug ID CSCuh71210.
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 confidenceThe Cisco Aironet 3600 access points contain a denial of service vulnerability where remote attackers can cause memory corruption and device crashes by disrupting communication with the Cisco Wireless LAN Controller. The attack forces repeated transitions from FlexConnect mode to Standalone mode, leading to memory corruption and ultimately device failure.
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 dataall versionsall versionsall versionsall versionsCVSS 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
- High
- Authentication
- None
- Confidentiality
- None
- Integrity
- None
- Availability
- Complete
AV:N/AC:H/Au:N/C:N/I:N/A:C
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 access point modelCheck the physical device label or log into the AP CLI and run 'show version' to confirm the model is Cisco Aironet 3600, 3600e, 3600i, or 3600pAffected if The device is any Cisco Aironet 3600 series model (3600, 3600e, 3600i, or 3600p)
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Verify FlexConnect mode is enabledLog into the Wireless LAN Controller CLI and run 'show ap config general <ap_name>' or check the AP group configuration to see if FlexConnect mode is enabled for the affected access pointAffected if FlexConnect mode is enabled on the AP (this is the vulnerable configuration)
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Confirm AP is connected to a Wireless LAN ControllerRun 'show ap join summary' on the WLC or 'show capwap session' on the AP to verify the AP has an active control channel connection to a Cisco Wireless LAN ControllerAffected if The AP maintains an active CAPWAP control channel connection to a WLC (this is required for the attack to trigger the vulnerability)
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Check for device instability or crashesReview WLC logs, AP syslog, or run 'show ap stats general <ap_name>' on the WLC to look for frequent reloads, memory allocation failures, or unexpected mode transitions between FlexConnect and StandaloneAffected if The AP shows repeated unexpected mode transitions, memory errors, or frequent reloads indicating potential exploitation
You are affected if you have a Cisco Aironet 3600 series AP with FlexConnect mode enabled and an active WLC connection, particularly if you observe unexplained mode transitions or device instability.
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 the relevant Cisco firmware update for Bug ID CSCuh71210. Until patched, implement network segmentation and access controls to limit exposure of the wireless infrastructure to untrusted networks.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 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 $5,600.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2013-3441 — 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-2013-3441 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