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Fencer Intel
medium 5.0

CVE-2014-8657 json

The Compal Broadband Networks (CBN) CH6640E and CG6640E Wireless Gateway 1.0 with firmware CH6640-3.5.11.7-NOSH allows remote attackers to…

published 2014-11-06 12 y ago modified 2026-06-17 4 mo ago also EUVD-2014-8493

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.8%
EPSS 6.8% chance of exploitation in 30 days, percentile 94%
public exploits
1
Exploit-DB

Summary

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.

Timeline

  1. First public exploit (EDB-35075)
  2. Published

Exploit prediction

6.76% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-35075 CBN CH6640E/CG6640E Wireless Gateway Series - Multiple Vulnerabilities webapps, 2014-10-27
  • zeroscience.mk http://www.zeroscience.mk/en/vulnerabilities/ZSL-2014-5203.php referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/128860/CBN-CH6640E-CG6640E-Wireless-Gateway-XSS-CSRF-DoS-Disclosure.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.