SARA / Free Tools / CVE / CVE-2022-40966

CVE-2022-40966 — Authentication bypass vulnerability in multiple Buffalo network devices allows a

Authentication bypass vulnerability in multiple Buffalo network devices allows a network-adjacent attacker to bypass authentication and access the device. The affected products/versions are as follows: WCR-300 firmware Ver. 1.87 and earlier, WHR-HP-G300N firmware Ver. 2.00 and ea

CVSS
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EPSS
0.17% (top 62.00%)
CWE
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Published
2022-12-07T00:00:00.000Z
Last modified
2025-04-23T16:06:14.667Z
CVSS vector
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01What is this vulnerability?

Authentication bypass vulnerability in multiple Buffalo network devices allows a network-adjacent attacker to bypass authentication and access the device. The affected products/versions are as follows: WCR-300 firmware Ver. 1.87 and earlier, WHR-HP-G300N firmware Ver. 2.00 and earlier, WHR-HP-GN firmware Ver. 1.87 and earlier, WPL-05G300 firmware Ver. 1.88 and earlier, WRM-D2133HP firmware Ver…

02Affected products

VendorProductVersions
BUFFALO INC.Buffalo network devicesA wide range of products is affected. For the specific products/versions information, see the URLs provided by the vendor and JVN which are listed in [Reference] section.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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