CVE-2015-8084
Huawei USG5500, USG2100, USG2200, and USG5100 unified security gateways with software before...
Huawei USG5500, USG2100, USG2200, and USG5100 unified security gateways with software before V300R001C10SPC600, when "DHCP Snooping" is enabled and either "option82 insert" or "option82 rebuild" is enabled on an interface, allow remote attackers to cause a denial of service (reboot) via crafted DHCP packets.
Exploit likelihood
What each source reports
NVD Score used
Huawei USG5500, USG2100, USG2200, and USG5100 unified security gateways with software before V300R001C10SPC600, when "DHCP Snooping" is enabled and either "option82 insert" or "option82 rebuild" is enabled on an interface, allow remote attackers to cause a denial of service (reboot) via crafted DHCP packets.
- Record
CVE-2015-8084- CVSS 2.0
- 7.1 High
AV:N/AC:M/Au:N/C:N/I:N/A:C - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
Huawei USG5500, USG2100, USG2200, and USG5100 unified security gateways with software before V300R001C10SPC600, when "DHCP Snooping" is enabled and either "option82 insert" or "option82 rebuild" is enabled on an interface, allow remote attackers to cause a denial of service (reboot) via crafted DHCP packets.
- Record
CVE-2015-8084- Updated
- 2026-11-02
EUVDEUVD-2015-7977 No score
Huawei USG5500, USG2100, USG2200, and USG5100 unified security gateways with software before V300R001C10SPC600, when "DHCP Snooping" is enabled and either "option82 insert" or "option82 rebuild" is enabled on an interface, allow remote attackers to cause a denial of service (reboot) via crafted DHCP packets.
- Record
EUVD-2015-7977- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-77wf-92x9-j58v No score
Huawei USG5500, USG2100, USG2200, and USG5100 unified security gateways with software before...
Huawei USG5500, USG2100, USG2200, and USG5100 unified security gateways with software before V300R001C10SPC600, when "DHCP Snooping" is enabled and either "option82 insert" or "option82 rebuild" is enabled on an interface, allow remote attackers to cause a denial of service (reboot) via crafted DHCP packets.
- Record
GHSA-77wf-92x9-j58v- Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2015-8084 is a high vulnerability (CVSS 7.1) in Huawei Unified Security Gateway Firmware, published December 7, 2015. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.85%, the 58th percentile. No source names a fixed version.