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CVE-2014-8657

30
FAUCET Score

CVE-2014-8657 describes a denial-of-service vulnerability in Compal Broadband Networks (CBN) CH6640E and CG6640E Wireless Gateways running firmware CH6640-3.5.11.7-NOSH, allowing remote attackers to disconnect all Wi-Fi clients by accessing a specific web page. This vulnerability has a CVSS score of 5.0, indicating a medium severity, and can be exploited remotely without authentication or high complexity, leading to a partial denial of service. While no active exploitation or Metasploit/Nuclei modules are reported, an ExploitDB entry exists detailing multiple vulnerabilities in these devices, suggesting potential for exploit development. Community discussion and media coverage for this CVE are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
ch6640-3.5.11.7-noshCPE matchmatch criteria
cpe:2.3:a:compal_broadband_networks:firmware:ch6640-3.5.11.7-nosh:*:*:*:*:*:*:*
1.0CPE matchmatch criteria
cpe:2.3:h:compal_broadband_networks:cg6640e_wireless_gateway:1.0:*:*:*:*:*:*:*
1.0CPE matchmatch criteria
cpe:2.3:h:compal_broadband_networks:ch664oe_wireless_gateway:1.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
6.76%
Probability of exploitation in next 30 days
EPSS Percentile
93.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-35075 · Oct 27, 2014
This CVE's current EPSS score of 0.0676 is in the 90th percentile among its peer group of 23,725 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

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