CVE-2014-4862: The Netmaster CBW700N cable modem with software 81.447.392110.729.024 has an SNMP community of public, which a

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MEDIUM 5.0DOWNGRADEMITIGATE

CVE-2014-4862 is a medium-severity flaw (CVSS 5.0) affecting cbw700 software, netmaster cbw700n. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Netmaster CBW700N cable modem with software 81.447.392110.729.024 has an SNMP community of public, which allows remote attackers to obtain sensitive credential, key, and SSID information via an SNMP request.

Why this priority

EPSS top 3%: very likely to be exploited

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	17.1% (top 3%)
CISA exploited list	No
Weakness	CWE-200
Published	2014-09-05
Last modified	2026-06-17

Publisher (CNA): CERT/CC · Vendor: netmaster

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

Am I affected?

Timeline

2014-09-05 17:55 UTCPublished CVE record published
2026-06-17 00:10 UTCUpdated Record last modified

netmaster cbw700 software DOWNGRADE

Affected: 81.447.392110.729.024

Fixed in: no fixed release known

Safe to downgrade to: a release before 81.447.392110.729.024

1. Check installed version

apt-cache policy cbw700-software || rpm -q cbw700-software || cbw700-software --version

2. No fixed release: DOWNGRADE to a release before 81.447.392110.729.024 (Debian / Ubuntu)

apt-cache madison cbw700-software sudo apt install cbw700-software=<VERSION_BEFORE_81.447.392110.729.024> sudo apt-mark hold cbw700-software

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

dnf --showduplicates list cbw700-software sudo dnf downgrade cbw700-software-<VERSION_BEFORE_81.447.392110.729.024> sudo dnf versionlock add cbw700-software

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.

netmaster netmaster cbw700n MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Firmware

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

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-2014-4862?

cbw700 software: downgrade or apply the listed mitigation; netmaster cbw700n: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2014-4862 being exploited?

CVE-2014-4862 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-2014-4862 affect?

CVE-2014-4862 affects cbw700 software, netmaster cbw700n. Severity is medium (CVSS 5.0). The Netmaster CBW700N cable modem with software 81.447.392110.729.024 has an SNMP community of public, which allows remote attackers to obtain sensitive credential, key, and SSID information via an SNMP request.

How urgent is CVE-2014-4862?

Priority 42/100. EPSS top 3%: very likely to be exploited

References

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