How severe is CVE-2016-8798?

CVE-2016-8798 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-2016-8798 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-8798?

CVE-2016-8798 primarily affects Huawei Usg5500 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-8798?

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-2016-8798 published?

CVE-2016-8798 was published on 2017-04-02 and last updated on 2026-06-17.

CVE-2016-8798

CVE-2016-8798 is a high-severity vulnerability in Huawei Usg5500 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-284.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Huawei Usg5500 Firmware
Published: 2017-04-02
Last modified: 2026-06-17

Description

Huawei USG5500 with software V300R001C00 and V300R001C00 allows attackers to bypass the anti-DDoS module of the USGs to cause a denial of service condition on the backend server.

Frequently asked questions

What is CVE-2016-8798?: Huawei USG5500 with software V300R001C00 and V300R001C00 allows attackers to bypass the anti-DDoS module of the USGs to cause a denial of service condition on the backend server.
How severe is CVE-2016-8798?: CVE-2016-8798 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-2016-8798 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-8798?: CVE-2016-8798 primarily affects Huawei Usg5500 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-8798?: 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-2016-8798 published?: CVE-2016-8798 was published on 2017-04-02 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:huawei:usg5500_firmware:v300r001c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:usg5500_firmware:v300r001c10:*:*:*:*:*:*:*

More vulnerabilities in Huawei Usg5500 Firmware

CVE-2014-9137 — High (CVSS 8.8): Huawei USG9500 with software V200R001C01SPC800 and earlier versions, V300R001C00; USG2100 with software…
CVE-2014-9136 — High (CVSS 8.8): Huawei FusionManager with software V100R002C03 and V100R003C00 could allow an unauthenticated, remote attacker to…
CVE-2016-6669 — High (CVSS 7.5): Buffer overflow in the Authentication, Authorization and Accounting (AAA) module in Huawei USG2100, USG2200, USG5100,…

All CVEs affecting Huawei Usg5500 Firmware →

Other CWE-284 (Improper Access Control) vulnerabilities

CVE-2026-76607 — Critical (CVSS 10.0): Joomla Extension - fabrikar.com - Missing ACL check in download element in Fabrik < 4.7.3 - ???.
CVE-2026-20315 — Critical (CVSS 10.0): As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Workload engineering…
CVE-2026-70921 — Critical (CVSS 10.0): Vulnerability in the Oracle Hyperion Financial Management product of Oracle Hyperion (component: Security). The…
CVE-2026-66803 — Critical (CVSS 10.0): Improper access control in Azure Cosmos DB allows an unauthorized attacker to execute code over a network.
CVE-2026-58630 — Critical (CVSS 10.0): Improper access control in Azure App Service allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-60358 — Critical (CVSS 10.0): Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engine).…

Browse all CWE-284 (Improper Access Control) vulnerabilities →