How severe is CVE-2015-6398?

CVE-2015-6398 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-2015-6398 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-6398?

CVE-2015-6398 affects Zyxel Gs1900-10hp Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-6398?

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-2015-6398 published?

CVE-2015-6398 was published on 2016-02-07 and last updated on 2026-06-17.

CVE-2015-6398

CVE-2015-6398 is a high-severity vulnerability in Zyxel Gs1900-10hp 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-399.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Zyxel Gs1900-10hp Firmware
Published: 2016-02-07
Last modified: 2026-06-17

Description

Cisco Nexus 9000 Application Centric Infrastructure (ACI) Mode switches with software before 11.0(1c) allow remote attackers to cause a denial of service (device reload) via an IPv4 ICMP packet with the IP Record Route option, aka Bug ID CSCuq57512.

Frequently asked questions

What is CVE-2015-6398?: Cisco Nexus 9000 Application Centric Infrastructure (ACI) Mode switches with software before 11.0(1c) allow remote attackers to cause a denial of service (device reload) via an IPv4 ICMP packet with the IP Record Route option, aka Bug ID CSCuq57512.
How severe is CVE-2015-6398?: CVE-2015-6398 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-2015-6398 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-6398?: CVE-2015-6398 affects Zyxel Gs1900-10hp Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-6398?: 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-2015-6398 published?: CVE-2015-6398 was published on 2016-02-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:zyxel:gs1900-10hp_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Zyxel Gs1900-10hp Firmware

CVE-2019-15800 — Critical (CVSS 9.8): An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. Due to lack of input validation in…
CVE-2016-1329 — Critical (CVSS 9.8): Cisco NX-OS 6.0(2)U6(1) through 6.0(2)U6(5) on Nexus 3000 devices and 6.0(2)A6(1) through 6.0(2)A6(5) and 6.0(2)A7(1)…
CVE-2015-5989 — Critical (CVSS 9.8): Belkin F9K1102 2 devices with firmware 2.10.17 rely on client-side JavaScript code for authorization, which allows…
CVE-2015-5988 — Critical (CVSS 9.8): The web management interface on Belkin F9K1102 2 devices with firmware 2.10.17 has a blank password, which allows…
CVE-2019-15803 — Critical (CVSS 9.1): An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. Through an undocumented sequence…
CVE-2019-15799 — High (CVSS 8.8): An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. User accounts created through the…

All CVEs affecting Zyxel Gs1900-10hp Firmware →

Other CWE-399 (Resource Management Errors) vulnerabilities

CVE-2015-8104 — Critical (CVSS 10.0): The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a…
CVE-2015-0339 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0335 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0333 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2014-4121 — Critical (CVSS 10.0): Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized…
CVE-2014-0560 — Critical (CVSS 10.0): Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.12 and 11.x before 11.0.09 on Windows and OS…

Browse all CWE-399 (Resource Management Errors) vulnerabilities →