How severe is CVE-2016-8796?

CVE-2016-8796 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2016-8796 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-8796?

CVE-2016-8796 primarily affects Huawei Usg9520 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-8796?

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-2016-8796 published?

CVE-2016-8796 was published on 2017-04-02 and last updated on 2026-06-17.

CVE-2016-8796

CVE-2016-8796 is a high-severity vulnerability in Huawei Usg9520 Firmware with a CVSS 3.x base score of 7.5. 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 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Huawei Usg9520 Firmware
Published: 2017-04-02
Last modified: 2026-06-17

Description

Huawei USG9520 V300R001C01, USG9560 V300R001C01, and USG9580 V300R001C01 allow unauthenticated attackers to send abnormal DHCP request packets to the affected products to trigger a DoS condition.

Frequently asked questions

What is CVE-2016-8796?: Huawei USG9520 V300R001C01, USG9560 V300R001C01, and USG9580 V300R001C01 allow unauthenticated attackers to send abnormal DHCP request packets to the affected products to trigger a DoS condition.
How severe is CVE-2016-8796?: CVE-2016-8796 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2016-8796 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-8796?: CVE-2016-8796 primarily affects Huawei Usg9520 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-8796?: 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-2016-8796 published?: CVE-2016-8796 was published on 2017-04-02 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:o:huawei:usg9520_firmware:v300r001c01:*:*:*:*:*:*:*
cpe:2.3:o:huawei:usg9580_firmware:v300r001c01:*:*:*:*:*:*:*
cpe:2.3:o:huawei:usg9560_firmware:v300r001c01:*:*:*:*:*:*:*

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