What is CVE-2016-8781?

CVE-2016-8781 is a medium-severity vulnerability in Huawei Secospace Usg6300, classified under CWE-399. CVSS score: 6.5/10. Published 2017-04-02.

How severe is CVE-2016-8781?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2016-8781 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Huawei Secospace Usg6300

CVE-2016-8781

Huawei Secospace USG6300 with software V500R001C20 and V500R001C20SPC200PWE, Secospace USG6500 with software V500R001C20, Secospace USG6600 with software V500R001C20 and V500R001C20SPC200PWE allow remote attackers with specific permission to log in to a device and deliver a large number of unspecified commands to exhaust memory, causing a DoS condition.

Published 2017-04-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.013 (68.3th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Huawei Secospace Usg6300
Huawei Secospace Usg6300 Firmware — versions v500r001c20, v500r001c20spc200pwe
Huawei Secospace Usg6500
Huawei Secospace Usg6500 Firmware — versions v500r001c20
Huawei Secospace Usg6600
Huawei Secospace Usg6600 Firmware — versions v500r001c20, v500r001c20spc200pwe
Secospace Usg6300, Usg6500, Usg6600 Usg6300 V500r001c20 And V500r001c20spc200pwe,secospace Usg6500 V500r001c20,secospace V500r001c20spc200pwe — versions Secospace USG6300, Secospace USG6500, Secospace USG6600 Secospace USG6300 V500R001C20 and V500R001C20SPC200PWE,Secospace USG6500 V500R001C20,Secospace USG6600 V500R001C20 and V500R001C20SPC200PWE

Weakness classification (CWE)

CWE-399

Public proof-of-concept exploits

RXDarkee/CVE-2017-5618-Screen-4.5.0-Root

References

www.huawei.com/en/psirt/security-advisories/huawei-sa-20161214-01-firewall-en (Vendor Advisory)
www.securityfocus.com/bid/94927 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2016-8781?: CVE-2016-8781 is a medium-severity vulnerability in Huawei Secospace Usg6300, classified under CWE-399. CVSS score: 6.5/10. Published 2017-04-02.
How severe is CVE-2016-8781?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2016-8781 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.