CVE-2017-8174 — Huawei USG6300 V100R001C30SPC300 and USG6600 with software of V100R001C30SPC500,

Huawei USG6300 V100R001C30SPC300 and USG6600 with software of V100R001C30SPC500,V100R001C30SPC600,V100R001C30SPC700,V100R001C30SPC800 have a weak algorithm vulnerability. Attackers may exploit the weak algorithm vulnerability to crack the cipher text and cause confidential inform

01What is this vulnerability?

Huawei USG6300 V100R001C30SPC300 and USG6600 with software of V100R001C30SPC500,V100R001C30SPC600,V100R001C30SPC700,V100R001C30SPC800 have a weak algorithm vulnerability. Attackers may exploit the weak algorithm vulnerability to crack the cipher text and cause confidential information leaks on the transmission links.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2017-11-22T19:29:04.130
• Last modified: 2026-05-13T00:24:29.033

09References

• www.huawei.com — http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20170802-01-usg-en
• www.huawei.com — http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20170802-01-usg-en