CVE-2014-8654: Multiple cross-site request forgery (CSRF) vulnerabilities in Compal Broadband Networks (CBN) CH6640E and CG66

This month

MEDIUM 6.8DOWNGRADEMITIGATEMITIGATE

CVE-2014-8654 is a medium-severity flaw (CVSS 6.8) affecting firmware, cg6640e wireless gateway, ch664oe wireless gateway. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple cross-site request forgery (CSRF) vulnerabilities in Compal Broadband Networks (CBN) CH6640E and CG6640E Wireless Gateway hardware 1.0 with firmware CH6640-3.5.11.7-NOSH allow remote attackers to hijack the authentication of administrators for requests that (1) have unspecified impact on DDNS configuration via a request to basicDDNS.html, (2) change the wifi password via the psKey parameter to setWirelessSecurity.html, (3) add a static M

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.8 (Medium)
EPSS exploit chance	2.9% (top 13%)
CISA exploited list	No
Weakness	CWE-352
Published	2014-11-06
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: compal broadband networks

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2014-11-06 15:55 UTCPublished CVE record published
2026-06-17 00:17 UTCUpdated Record last modified

compal broadband networks firmware DOWNGRADE

Affected: ch6640-3.5.11.7-nosh

Fixed in: no fixed release known

Safe to downgrade to: a release before ch6640-3.5.11.7-nosh

1. Check installed version

apt-cache policy firmware || rpm -q firmware || firmware --version

2. No fixed release: DOWNGRADE to a release before ch6640-3.5.11.7-nosh (Debian / Ubuntu)

apt-cache madison firmware sudo apt install firmware=<VERSION_BEFORE_ch6640-3.5.11.7-nosh> sudo apt-mark hold firmware

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list firmware sudo dnf downgrade firmware-<VERSION_BEFORE_ch6640-3.5.11.7-nosh> sudo dnf versionlock add firmware

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

compal broadband networks cg6640e wireless gateway MITIGATE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

Firmware

Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.

compal broadband networks ch664oe wireless gateway MITIGATE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

Firmware

Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: CBN CH6640E/CG6640E Wireless Gateway Series - Multiple Vulnerabilities

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2014-8654?

firmware: downgrade or apply the listed mitigation; cg6640e wireless gateway: mitigate or apply the listed mitigation; ch664oe wireless gateway: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2014-8654 being exploited?

CVE-2014-8654 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2014-8654 affect?

CVE-2014-8654 affects firmware, cg6640e wireless gateway, ch664oe wireless gateway. Severity is medium (CVSS 6.8). Multiple cross-site request forgery (CSRF) vulnerabilities in Compal Broadband Networks (CBN) CH6640E and CG6640E Wireless Gateway hardware 1.0 with firmware CH6640-3.5.11.7-NOSH allow remote attackers to hijack the authentication of admini

How urgent is CVE-2014-8654?

Priority 51/100. Public exploit reference

Software pages

Wi-Fi vulnerabilities

Related CVEs

CVE-2016-6257 MEDIUM 6.5 MITIGATE UPGRADE The firmware in Lenovo Ultraslim dongles, as used with Lenovo Liteon SK-8861, Ultraslim Wireless, and Silver S
CVE-2014-8657 MEDIUM 5.0 DOWNGRADE MITIGATE The Compal Broadband Networks (CBN) CH6640E and CG6640E Wireless Gateway 1.0 with firmware CH6640-3.5.11.7-NOS
CVE-2014-8656 HIGH 10.0 DOWNGRADE MITIGATE The Compal Broadband Networks (CBN) CH6640E and CG6640E Wireless Gateway 1.0 with firmware CH6640-3.5.11.7-NOS
CVE-2014-8655 MEDIUM 5.0 DOWNGRADE MITIGATE The Compal Broadband Networks (CBN) CH6640E and CG6640E Wireless Gateway 1.0 with firmware CH6640-3.5.11.7-NOS
CVE-2014-8653 MEDIUM 4.3 MITIGATE MITIGATE Cross-site scripting (XSS) vulnerability in Compal Broadband Networks (CBN) CH6640E and CG6640E Wireless Gatew

References

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