CVE-2016-6178· NVD / CVE Program· CNA mitre

Huawei NE40E and CX600 devices with software before V800R007SPH017; PTN 6900-2-M8 devices with software before V800R007SPH019; NE5000E devic

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.

CriticalCVSS 9.8 · v3.0—No exploit No fix recorded

pre-auth RCE

Published: Aug 2, 2016
Updated: Jun 16, 2026
EPSS: 3.0% · 87th percentile
CWE: CWE-20

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Action score

Plan

Add it to your regular patch cycle.

CVSS: 39 / 40 · 9.8 / 10
CISA KEV: 0 / 30 · Not listed
EPSS: 1 / 30 · 3.0%

Affected systems

Vendor	Product	CPE
huawei	ne5000e firmware	cpe:2.3:o:huawei:ne5000e_firmware
huawei	ne5000e	cpe:2.3:h:huawei:ne5000e
huawei	cloudengine 12800 firmware	cpe:2.3:o:huawei:cloudengine_12800_firmware
huawei	cloudengine 12800	cpe:2.3:h:huawei:cloudengine_12800
huawei	ptn 6900-2-m8 firmware	cpe:2.3:o:huawei:ptn_6900-2-m8_firmware
huawei	ptn 6900-2-m8	cpe:2.3:h:huawei:ptn_6900-2-m8
huawei	cx600 firmware	cpe:2.3:o:huawei:cx600_firmware
huawei	cx600	cpe:2.3:h:huawei:cx600
huawei	ne40e firmware	cpe:2.3:o:huawei:ne40e_firmware
huawei	ne40e	cpe:2.3:h:huawei:ne40e

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

huawei cloudengine 12800 firmwarev100r003c00
huawei cloudengine 12800 firmwarev100r003c10
huawei cloudengine 12800 firmwarev100r005c00
huawei cloudengine 12800 firmwarev100r005c10
huawei cx600 firmwarev600r008c20
huawei cx600 firmwarev800r006c00
huawei cx600 firmwarev800r006c20
huawei cx600 firmwarev800r007c00
huawei ne40e firmwarev600r008c20
huawei ne40e firmwarev800r006c00
huawei ne40e firmwarev800r006c20
huawei ne40e firmwarev800r006c30
huawei ne40e firmwarev800r007c00
huawei ne5000e firmwarev800r006c00
huawei ptn 6900-2-m8 firmwarev800r007c00

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

Anyone who can reach it over the internet can trigger it.
No account or password is required.
No user action is required.
No special conditions are required; it is repeatable.

If successful

Confidentiality: high · data can be read
Integrity: high · data or configuration can be modified
Availability: high · the service can be disrupted

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

Weakness class (CWE)

CWE-20 · Improper Input Validation

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Attack patterns (CAPEC)

ATT&CK techniques

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

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Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

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