How severe is CVE-2014-8424?

CVE-2014-8424 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2014-8424 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 60% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-8424?

CVE-2014-8424 affects Arris Vap2500 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2014-8424?

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-2014-8424 published?

CVE-2014-8424 was published on 2014-11-28 and last updated on 2026-06-17.

CVE-2014-8424

CVE-2014-8424 is a high-severity vulnerability in Arris Vap2500 Firmware with a CVSS 2.0 base score of 7.8. Its EPSS exploit-prediction score of 60% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-287.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 60% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Arris Vap2500 Firmware
Published: 2014-11-28
Last modified: 2026-06-17

Description

ARRIS VAP2500 before FW08.41 does not properly validate passwords, which allows remote attackers to bypass authentication.

Frequently asked questions

What is CVE-2014-8424?: ARRIS VAP2500 before FW08.41 does not properly validate passwords, which allows remote attackers to bypass authentication.
How severe is CVE-2014-8424?: CVE-2014-8424 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2014-8424 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 60% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-8424?: CVE-2014-8424 affects Arris Vap2500 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2014-8424?: 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-2014-8424 published?: CVE-2014-8424 was published on 2014-11-28 and last updated on 2026-06-17.

References

http://www.zerodayinitiative.com/advisories/ZDI-14-388/

Affected products (1)

cpe:2.3:o:arris:vap2500_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Arris Vap2500 Firmware

CVE-2014-8423 — Critical (CVSS 10.0): Unspecified vulnerability in the management portal in ARRIS VAP2500 before FW08.41 allows remote attackers to execute…
CVE-2014-8425 — High (CVSS 7.8): The management portal in ARRIS VAP2500 before FW08.41 allows remote attackers to obtain credentials by reading the…
CVE-2024-5196 — Medium (CVSS 4.7): A vulnerability classified as critical has been found in Arris VAP2500 08.50. This affects an unknown part of the file…
CVE-2024-5195 — Medium (CVSS 4.7): A vulnerability was found in Arris VAP2500 08.50. It has been rated as critical. Affected by this issue is some unknown…
CVE-2024-5194 — Medium (CVSS 4.7): A vulnerability was found in Arris VAP2500 08.50. It has been declared as critical. Affected by this vulnerability is…

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Other CWE-287 (Improper Authentication) vulnerabilities

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CVE-2026-59500 — Critical (CVSS 10.0): CWE-287: Improper Authentication
CVE-2024-27253 — Critical (CVSS 10.0): IBM DOORS Next 7.0.3 through 7.0.3 Interim Fix 018 could allow an authenticated user to bypass security logic to…
CVE-2026-56162 — Critical (CVSS 10.0): Improper authentication in Azure SQL Database allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-62825 — Critical (CVSS 10.0): Improper authentication in Azure Key Vault allows an unauthorized attacker to elevate privileges over a network.

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