How severe is CVE-2014-8657?

CVE-2014-8657 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2014-8657 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-8657?

CVE-2014-8657 primarily affects Compal Broadband Networks 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-2014-8657?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2014-8657 published?

CVE-2014-8657 was published on 2014-11-06 and last updated on 2026-06-17.

CVE-2014-8657

CVE-2014-8657 is a medium-severity vulnerability in Compal Broadband Networks Firmware with a CVSS 2.0 base score of 5.0. 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-16.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-16
Affected product: Compal Broadband Networks Firmware
Published: 2014-11-06
Last modified: 2026-06-17

Description

The Compal Broadband Networks (CBN) CH6640E and CG6640E Wireless Gateway 1.0 with firmware CH6640-3.5.11.7-NOSH allows remote attackers to cause a denial of service (disconnect all wifi clients) via a request to wirelessChannelStatus.html.

Frequently asked questions

What is CVE-2014-8657?: The Compal Broadband Networks (CBN) CH6640E and CG6640E Wireless Gateway 1.0 with firmware CH6640-3.5.11.7-NOSH allows remote attackers to cause a denial of service (disconnect all wifi clients) via a request to wirelessChannelStatus.html.
How severe is CVE-2014-8657?: CVE-2014-8657 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2014-8657 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-8657?: CVE-2014-8657 primarily affects Compal Broadband Networks 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-2014-8657?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-8657 published?: CVE-2014-8657 was published on 2014-11-06 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:compal_broadband_networks:firmware:ch6640-3.5.11.7-nosh:*:*:*:*:*:*:*
cpe:2.3:h:compal_broadband_networks:cg6640e_wireless_gateway:1.0:*:*:*:*:*:*:*
cpe:2.3:h:compal_broadband_networks:ch664oe_wireless_gateway:1.0:*:*:*:*:*:*:*

More vulnerabilities in Compal Broadband Networks Firmware

CVE-2014-8656 — Critical (CVSS 10.0): The Compal Broadband Networks (CBN) CH6640E and CG6640E Wireless Gateway 1.0 with firmware CH6640-3.5.11.7-NOSH have a…
CVE-2014-8654 — Medium (CVSS 6.8): Multiple cross-site request forgery (CSRF) vulnerabilities in Compal Broadband Networks (CBN) CH6640E and CG6640E…
CVE-2014-8655 — Medium (CVSS 5.0): The Compal Broadband Networks (CBN) CH6640E and CG6640E Wireless Gateway 1.0 with firmware CH6640-3.5.11.7-NOSH allows…
CVE-2014-8653 — Medium (CVSS 4.3): Cross-site scripting (XSS) vulnerability in Compal Broadband Networks (CBN) CH6640E and CG6640E Wireless Gateway 1.0…

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