CVE-2014-8657

mediumpriority · track · 32EPSS 0.068 · 94 %ileexploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

6.76% (94th) EPSS

CVSS 5 · medium

Is it mine?

4 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

5.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v2.04.5mediumAV:N/AC:L/Au:N/C:N/I:N/A:P/E:POCsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-16USprimary

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-35075CBN CH6640E/CG6640E Wireless Gateway Series - Multiple VulnerabilitiesPoC · exploit_db

affected products (4)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
compal broadband networks cg6640e wireless gateway= 1.0nvdUScpe:2.3:h:compal_broadband_networks:cg6640e_wireless_gateway:*:*:*:*:*:*:*:*
compal broadband networks ch664oe wireless gateway= 1.0nvdUScpe:2.3:h:compal_broadband_networks:ch664oe_wireless_gateway:*:*:*:*:*:*:*:*
compal broadband networks firmware= ch6640-3.5.11.7-noshnvdUScpe:2.3:a:compal_broadband_networks:firmware:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2014-11-06modified 2026-06-17

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+341 more

references (15)

External citations — patches, advisories, analysis.

scry

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