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Wapm 1166d FirmwareOperating system · Buffalo

CVE-2017-2126

CRITICAL · 9.8 CVSS v3.0 Published 2017-07-22
Fix available
A fix is available. Upgrade to after 1.16.1 or later.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click

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 · unedited
WAPM-1166D firmware Ver.1.2.7 and earlier, WAPM-APG600H firmware Ver.1.16.1 and earlier allows remote attackers to bypass authentication and access the configuration interface via unspecified vectors.

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 confidence

Authentication bypass vulnerability in WAPM-1166D and WAPM-APG600H wireless access point firmware allows remote unauthenticated attackers to access the device configuration interface without valid credentials, likely due to improper session validation or credential checking logic.

MitigationUpdate firmware to versions Ver.1.2.8 and later for WAPM-1166D, and Ver.1.16.2 and later for WAPM-APG600H. If patching is not immediately possible, restrict network access to management interfaces via firewall rules or VLAN isolation.

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
Wapm 1166d FirmwareOperating system
Affected:<= 1.2.7
Wapm Apg600h FirmwareOperating system
Affected:<= 1.16.1

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
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/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 checks

Work through these to decide whether this CVE applies to you.

  1. Identify the Buffalo access point model
    Log into the device web interface or check the physical device label to confirm whether the model is WAPM-1166D or WAPM-APG600H. Alternatively, use SNMP or check DHCP vendor information if available.
    Affected if The model is WAPM-1166D or WAPM-APG600H.
  2. Determine the installed firmware version
    Access the device administration web interface and navigate to the System or Status section to view the firmware version. On the device itself, check the label or use the command line interface (telnet/ssh if enabled) with a command such as 'show version' or 'get system info'.
    Affected if The firmware version cannot be verified or is below the patched versions.
  3. Compare installed version to affected ranges
    For WAPM-1166D: compare your version to 1.2.7. For WAPM-APG600H: compare your version to 1.16.1. If your version is equal to or lower than these thresholds, the device is running a vulnerable version.
    Affected if The installed firmware version is 1.2.7 or lower for WAPM-1166D, or 1.16.1 or lower for WAPM-APG600H.
  4. Verify if remote management is accessible
    Check the device network settings to confirm whether the management interface (web UI on TCP ports 80/443 or administrative services) is reachable from untrusted networks. Review firewall or access control lists that may or may not restrict administrative access to internal networks only.
    Affected if The management interface is exposed to untrusted networks and the firmware version is within the affected range.

A user is affected if they are running WAPM-1166D firmware at version 1.2.7 or below, or WAPM-APG600H firmware at version 1.16.1 or below, and the device management interface is network-accessible.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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.

dbcve · scoped
Upgrade available Upgrade to a release after 1.16.1
Interim mitigation

Update firmware to versions Ver.1.2.8 and later for WAPM-1166D, and Ver.1.16.2 and later for WAPM-APG600H. If patching is not immediately possible, restrict network access to management interfaces via firewall rules or VLAN isolation.

Recommended fix Moderate confidence

WAPM-1166D: firmware >= 1.2.8; WAPM-APG600H: firmware >= 1.16.2

  1. Identify the exact model number (WAPM-1166D or WAPM-APG600H) of the Buffalo wireless access point
  2. Access the device's web administration interface or check the physical device label to determine the current firmware version
  3. Visit the official Buffalo support page (buffalo.jp) and locate the firmware download section for your specific model
  4. Download the latest firmware version available for your model (version 1.2.8 or later for WAPM-1166D; version 1.16.2 or later for WAPM-APG600H)
  5. Follow Buffalo's official firmware update instructions to apply the update, typically via the web interface under a 'Firmware Update' or 'Maintenance' section
  6. After updating, verify the new firmware version is installed and confirm the device is functioning normally
  7. Ensure the device's management interface is not exposed to the public internet (restrict access to trusted networks only)
Caveat Firmware updates may temporarily interrupt wireless service; ensure backup of configuration if possible before updating

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Wapm 1166d Firmware Scoped from the published advisory
  • Consultation2.0 h
  • Implementation4.0 h
  • Testing2.0 h
  • Review / QA1.0 h
9.0 hours of engineering $1,600
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2017-2126 in production — separate from our analysis above.

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What this is

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.

What belongs here
  • 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