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Vulnerability record · CVE-2014-8657 · published 6 November 2014

CVE-2014-8657: Compal broadband networks firmware vulnerability

CCompal Broadband Networks · Firmware

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.

5.0 CVSS 2.0 Medium EPSS 6.8% · top 6.3% CWE-16 · CWE-16
5.0CVSS 2.0 base score
6.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
10References, 6 tagged exploit
17 Jun 2026Last modified by NVD

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.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://osvdb.org/show/osvdb/113838
http://packetstormsecurity.com/files/128860/CBN-CH6640E-CG6640E-Wireless-Gateway-XSS-CSRF-DoS-Disclosure.html Exploit
http://www.exploit-db.com/exploits/35075 Exploit
http://www.zeroscience.mk/en/vulnerabilities/ZSL-2014-5203.php Exploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/98330
http://osvdb.org/show/osvdb/113838
http://packetstormsecurity.com/files/128860/CBN-CH6640E-CG6640E-Wireless-Gateway-XSS-CSRF-DoS-Disclosure.html Exploit
http://www.exploit-db.com/exploits/35075 Exploit
http://www.zeroscience.mk/en/vulnerabilities/ZSL-2014-5203.php Exploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/98330

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2014-8656Compal broadband networks firmware vulnerabilityThe Compal Broadband Networks (CBN) CH6640E and CG6640E Wireless Gateway 1.0 with firmware CH6640-3.5.11.7-NOSH have a default password of (1) admin …EPSS 11%6.8CVE-2014-8654Compal broadband networks firmware cross-site request forgery vulnerabilityMultiple cross-site request forgery (CSRF) vulnerabilities in Compal Broadband Networks (CBN) CH6640E and CG6640E Wireless Gateway hardware 1.0 with …EPSS 2.9%5.0CVE-2014-8655Compal broadband networks firmware permissions and access controls vulnerabilityThe Compal Broadband Networks (CBN) CH6640E and CG6640E Wireless Gateway 1.0 with firmware CH6640-3.5.11.7-NOSH allows remote attackers to bypass aut…EPSS 7.4%4.3CVE-2014-8653Compal broadband networks firmware cross-site scripting vulnerabilityCross-site scripting (XSS) vulnerability in Compal Broadband Networks (CBN) CH6640E and CG6640E Wireless Gateway 1.0 with firmware CH6640-3.5.11.7-NO…EPSS 3.5%

Source: NIST National Vulnerability Database (record CVE-2014-8657), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.