How severe is CVE-2015-8084?

CVE-2015-8084 has a CVSS 2.0 base score of 7.1, rated high severity.

Is CVE-2015-8084 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-8084?

CVE-2015-8084 affects Huawei Unified Security Gateway Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-8084?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2015-8084 published?

CVE-2015-8084 was published on 2015-12-07 and last updated on 2026-06-17.

CVE-2015-8084

CVE-2015-8084 is a high-severity vulnerability in Huawei Unified Security Gateway Firmware with a CVSS 2.0 base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 2.0 base score 7.1)
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Huawei Unified Security Gateway Firmware
Published: 2015-12-07
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2015-8084?: 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.
How severe is CVE-2015-8084?: CVE-2015-8084 has a CVSS 2.0 base score of 7.1, rated high severity.
Is CVE-2015-8084 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-8084?: CVE-2015-8084 affects Huawei Unified Security Gateway Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-8084?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2015-8084 published?: CVE-2015-8084 was published on 2015-12-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:huawei:unified_security_gateway_firmware:*:*:*:*:*:*:*:*

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