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CVE-2016-2404· NVD / CVE Program· CNA huawei

Huawei switches S5700, S6700, S7700, S9700 with software V200R001C00SPC300, V200R002C00SPC100, V200R003C00SPC300, V200R005C00SPC500, V200R00

Huawei switches S5700, S6700, S7700, S9700 with software V200R001C00SPC300, V200R002C00SPC100, V200R003C00SPC300, V200R005C00SPC500, V200R006C00; S12700 with software V200R005C00SPC500, V200R006C00; ACU2 with software V200R005C00SPC500, V200R006C00 have a permission control vulnerability. If a switch enables Authentication, Authorization, and Accounting (AAA) for permission control and user permissions are not appropriate, AAA users may obtain the virtual type terminal (VTY) access permission, resulting in privilege escalation.

HighCVSS 7.5 · v3.0—No exploit No fix recorded
Published
Apr 2, 2017
Updated
Jun 16, 2026
EPSS
0.8% · 54th percentile
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Report tools

JSON

Action score

30

Monitor

Low priority for now.

CVSS
30 / 40 · 7.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.8%

Affected systems

VendorProduct
huaweis5700 firmware
huaweis5700
huaweis6700 firmware
huaweis6700
huaweis7700 firmware
huaweis7700
huaweis9700 firmware
huaweis9700
huaweis12700 firmware
huaweis12700
huaweiacu2 firmware
huaweiacu2

Affected versions

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

  • huawei acu2 firmwarev200r005c00spc500
  • huawei acu2 firmwarev200r006c00
  • huawei s12700 firmwarev200r005c00spc500
  • huawei s12700 firmwarev200r006c00
  • huawei s5700 firmwarev200r001c00spc300
  • huawei s5700 firmwarev200r002c00spc100
  • huawei s5700 firmwarev200r003c00spc300
  • huawei s5700 firmwarev200r005c00spc500
  • huawei s5700 firmwarev200r006c00
  • huawei s6700 firmwarev200r001c00spc300
  • huawei s6700 firmwarev200r002c00spc100
  • huawei s6700 firmwarev200r003c00spc300
  • huawei s6700 firmwarev200r005c00spc500
  • huawei s6700 firmwarev200r006c00
  • huawei s7700 firmwarev200r001c00spc300
  • huawei s7700 firmwarev200r002c00spc100
  • huawei s7700 firmwarev200r003c00spc300
  • huawei s7700 firmwarev200r005c00spc500
  • huawei s7700 firmwarev200r006c00
  • huawei s9700 firmwarev200r001c00spc300

Versions reported by the vendor

Affected version ranges reported by the assigning authority (huawei). Independent of NVD's CPE analysis and usually ahead of it.

  • n/a S5700, S6700, S7700, S9700,S12700,ACU2,, S5700, S6700, S7700, S9700 V200R001C00SPC300, V200R002C00SPC100, V200R003C00SPC300, V200R005C00SPC500, V200R006C00,,S12700 V200R005C00SPC500, V200R006C00,,ACU2

    • S5700, S6700, S7700, S9700,S12700,ACU2,, S5700, S6700, S7700, S9700 V200R001C00SPC300, V200R002C00SPC100, V200R003C00SPC300, V200R005C00SPC500, V200R006C00,,S12700 V200R005C00SPC500, V200R006C00,,ACU2affected

Same product

huawei: all records

Other highest-scoring records for the same primary product.

  • CVE-2015-2800The user authentication module in Huawei Campus switches S5700, S5300, S6300, and S6700 with software before V200R001SPH012 and S7700, S9300
    31Monitor
  • CVE-2021-22359There is a denial of service vulnerability in the verisions V200R005C00SPC500 of S5700 and V200R005C00SPC500 of S6700.
    30Monitor
  • CVE-2017-15324Huawei S5700 and S6700 with software of V200R005C00 have a DoS vulnerability due to insufficient validation of the Network Quality Analysis
    30Monitor
  • CVE-2019-5290Huawei S5700 and S6700 have a DoS security vulnerability.
    26Monitor

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.
  • A low-privileged account is enough.
  • No user action is required.
  • Special conditions such as timing or configuration are required.

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
High
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-264 · Permissions, Privileges, and Access Controls

CVSS vector

CVSS:3.0/AV:N/AC:H/PR:L/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.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

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.

We use this product, ask for help

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.

All records