dbcve.org
Ne5000e FirmwareOperating system · Huawei

CVE-2016-6178

CRITICAL · 9.8 CVSS v3.0 Published 2016-08-02
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
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
Huawei NE40E and CX600 devices with software before V800R007SPH017; PTN 6900-2-M8 devices with software before V800R007SPH019; NE5000E devices with software before V800R006SPH018; and CloudEngine devices 12800 with software before V100R003SPH010 and V100R005 before V100R005SPH006 allow remote attackers with control plane access to cause a denial of service or execute arbitrary code via a crafted packet.

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 confidence

A memory corruption vulnerability in Huawei NE40E, CX600, PTN 6900-2-M8, NE5000E, and CloudEngine 12800 devices allows remote attackers with control plane access to send crafted packets that trigger buffer overflows, causing denial of service or potentially executing arbitrary code with elevated privileges.

MitigationUpgrade Huawei device software to the patched versions (NE40E/CX600: V800R007SPH017, PTN 6900-2-M8: V800R007SPH019, NE5000E: V800R006SPH018, CloudEngine 12800: V100R003SPH010 or V100R005SPH006). Until patched, restrict control plane access via ACLs or management network segmentation.

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
Ne5000e FirmwareOperating system
Affected:= v800r006c00
Cloudengine 12800 FirmwareOperating system
Affected:= v100r003c00= v100r003c10= v100r005c00= v100r005c10
Ptn 6900 2 M8 FirmwareOperating system
Affected:= v800r007c00
Cx600 FirmwareOperating system
Affected:= v600r008c20= v800r006c00= v800r006c20= v800r007c00
Ne40e FirmwareOperating system
Affected:= v600r008c20= v800r006c00= v800r006c20= v800r006c30= v800r007c00

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 device model
    Execute 'display device' or 'display version' on the Huawei device to confirm the product model.
    Affected if Device is not one of the affected models (NE40E, CX600, PTN 6900-2-M8, NE5000E, or CloudEngine 12800) - the vulnerability does not apply.
  2. Determine the firmware version
    Execute 'display version' to retrieve the exact firmware version string installed on the device.
    Affected if Unable to determine firmware version - cannot assess vulnerability status.
  3. Match version against affected list
    Compare the installed firmware version to the affected versions: NE40E (=v600r008c20, =v800r006c00, =v800r006c20, =v800r006c30, =v800r007c00); CX600 (=v600r008c20, =v800r006c00, =v800r006c20, =v800r007c00); PTN 6900-2-M8 (=v800r007c00); NE5000E (=v800r006c00); CloudEngine 12800 (=v100r003c00, =v100r003c10, =v100r005c00, =v100r005c10).
    Affected if The installed version exactly matches one of the listed affected versions - the device is running a vulnerable firmware release.
  4. Assess control plane accessibility
    Review interface configurations using 'display ip interface' and check current ACL or firewall policies to determine if the control plane (management and in-band control interfaces) is reachable from untrusted networks.
    Affected if Control plane interfaces are exposed to untrusted or public networks - the attack vector is present even on a vulnerable version.

Device is affected if it is one of the five models and runs exactly one of the listed firmware versions, and its control plane is accessible to attackers.

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
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Upgrade Huawei device software to the patched versions (NE40E/CX600: V800R007SPH017, PTN 6900-2-M8: V800R007SPH019, NE5000E: V800R006SPH018, CloudEngine 12800: V100R003SPH010 or V100R005SPH006). Until patched, restrict control plane access via ACLs or management network segmentation.

Recommended fix High confidence

Upgrade to V800R007SPH017 (NE40E/CX600), V800R007SPH019 (PTN 6900-2-M8), V800R006SPH018 (NE5000E), V100R003SPH010 or V100R005SPH006 (CloudEngine 12800) as specified in the advisory

  1. 1. Identify the exact model and current firmware version of the Huawei device from the affected product list (NE5000E, CloudEngine 12800, PTN 6900-2-M8, CX600, or NE40E)
  2. 2. Access the device's management interface or console with administrative privileges
  3. 3. Backup the current device configuration before proceeding with any firmware update
  4. 4. Obtain the appropriate service pack firmware from Huawei's official support website matching the device model
  5. 5. For NE40E/CX600: upgrade to V800R007SPH017 or later
  6. 6. For PTN 6900-2-M8: upgrade to V800R007SPH019 or later
  7. 7. For NE5000E: upgrade to V800R006SPH018 or later
  8. 8. For CloudEngine 12800 V100R003: upgrade to V100R003SPH010 or later
Caveat Firmware upgrades may cause brief service interruption; ensure maintenance window and backup configuration before proceeding

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

Fix this in Ne5000e Firmware Scoped from the published advisory
  • Consultation3.0 h
  • Implementation8.0 h
  • Testing4.0 h
  • Review / QA2.0 h
17.0 hours of engineering $3,000
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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-2016-6178 in production — separate from our analysis above.

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What this is

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  • Version or environment caveats, and links to real fixes
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