CVE-2016-6670

mediumpriority · track · 21EPSS 0.008 · 57 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.83% (57th) EPSS

CVSS 5 · medium

Is it mine?

8 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

Huawei S7700, S9300, S9700, and S12700 devices with software before V200R008C00SPC500 use random numbers with insufficient entropy to generate self-signed certificates, which makes it easier for remote attackers to discover private keys by leveraging knowledge of a certificate.

cvss

Technical severity, 0–10. One row per scoring source.

5.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.05.3mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 1.4

v3.04.9mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-200USprimary

affected products (8)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
huawei s7700 firmware= v200r003c00nvdUScpe:2.3:o:huawei:s7700_firmware:*:*:*:*:*:*:*:*
huawei s7700 firmware= v200r005c00nvdUScpe:2.3:o:huawei:s7700_firmware:*:*:*:*:*:*:*:*
huawei s9300 firmware= v200r003c00nvdUScpe:2.3:o:huawei:s9300_firmware:*:*:*:*:*:*:*:*
huawei s9300 firmware= v200r005c00nvdUScpe:2.3:o:huawei:s9300_firmware:*:*:*:*:*:*:*:*
huawei s9700 firmware= v200r003c00nvdUScpe:2.3:o:huawei:s9700_firmware:*:*:*:*:*:*:*:*
huawei s9700 firmware= v200r005c00nvdUScpe:2.3:o:huawei:s9700_firmware:*:*:*:*:*:*:*:*
huawei firmware s12700= v200r005c00nvdUScpe:2.3:o:huawei_firmware:s12700:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2016-09-07modified 2026-06-17

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references (6)

External citations — patches, advisories, analysis.

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