CVE-2016-6670
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…
Does this matter?
Lower severity and a low EPSS score (0.83%). Track it; it rarely justifies an emergency change on its own.
Description
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 3.0
- 5.3 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- EPSS
- 0.83% probability · 57th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- huawei firmware/s12700 · huawei/s9700 firmware · huawei/s7700 firmware · huawei/s9300 firmware
- Source
- cve@mitre.org
EPSS 0.8% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20160810-01-certificate-enMitigation, Vendor Advisory
- http://www.securityfocus.com/bid/92438Third Party Advisory, VDB Entry
- http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20160810-01-certificate-enMitigation, Vendor Advisory
- http://www.securityfocus.com/bid/92438Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.