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CVE-2014-9284: The Buffalo WHR-1166DHP 1.60 and earlier, WSR-600DHP 1.60 and earlier, WHR-600D 1.60 and earlier, WHR-300HP2 1

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HIGH 7.7UPGRADEUPGRADEUPGRADE

CVE-2014-9284 is a high-severity flaw (CVSS 7.7) affecting wsr-600dhp firmware, whr-300hp2 firmware, whr-1166dhp firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Buffalo WHR-1166DHP 1.60 and earlier, WSR-600DHP 1.60 and earlier, WHR-600D 1.60 and earlier, WHR-300HP2 1.60 and earlier, WMR-300 1.60 and earlier, WEX-300 1.60 and earlier, and BHR-4GRV2 1.04 and earlier routers allow remote authenticated users to execute arbitrary OS commands via unspecified vectors.

Why this priority

  • High severity

A fixed release or distro patch exists.

Risk facts

CVSS score7.7 (High)
EPSS exploit chance1.1% (top 35%)
CISA exploited listNo
WeaknessCWE-78
Published2015-06-09
Last modified2026-06-17
Publisher (CNA): JPCERT/CC · Vendor: buffalotech

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

Am I affected?

Timeline

buffalotech wsr-600dhp firmware UPGRADE
Affected: <= 1.60
Fixed in: newer than 1.60
Safe to downgrade to: no unaffected older release
Firmware
Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.
buffalotech whr-300hp2 firmware UPGRADE
Affected: <= 1.60
Fixed in: newer than 1.60
Safe to downgrade to: no unaffected older release
Firmware
Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.
buffalotech whr-1166dhp firmware UPGRADE
Affected: <= 1.60
Fixed in: newer than 1.60
Safe to downgrade to: no unaffected older release
Firmware
Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.
buffalotech bhr-4grv2 firmware UPGRADE
Affected: <= 1.04
Fixed in: newer than 1.04
Safe to downgrade to: no unaffected older release
Firmware
Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.
buffalotech wmr-300 firmware UPGRADE
Affected: <= 1.60
Fixed in: newer than 1.60
Safe to downgrade to: no unaffected older release
Firmware
Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.
buffalotech wex-300 firmware UPGRADE
Affected: <= 1.60
Fixed in: newer than 1.60
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-2014-9284?

wsr-600dhp firmware: upgrade to newer than 1.60; whr-300hp2 firmware: upgrade to newer than 1.60; whr-1166dhp firmware: upgrade to newer than 1.60. Exact commands for each OS are on this page.

Is CVE-2014-9284 being exploited?

CVE-2014-9284 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-2014-9284 affect?

CVE-2014-9284 affects wsr-600dhp firmware, whr-300hp2 firmware, whr-1166dhp firmware. Severity is high (CVSS 7.7). The Buffalo WHR-1166DHP 1.60 and earlier, WSR-600DHP 1.60 and earlier, WHR-600D 1.60 and earlier, WHR-300HP2 1.60 and earlier, WMR-300 1.60 and earlier, WEX-300 1.60 and earlier, and BHR-4GRV2 1.04 and earlier routers allow remote authentic

How urgent is CVE-2014-9284?

Priority 43/100. High severity

References

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