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CVE-2026-32678

7.5 · HIGH

Authentication bypass issue exists in BUFFALO Wi-Fi router products, which may allow an attacker to alter critical configuration settings without authentication.

Published Mar 27, 2026buffaloCWE-288EPSS 0.37%

Overview

CVE-2026-32678 is a high-severity vulnerability affecting buffalo wzr-s900dhp_firmware. It was published on March 27, 2026 and has a CVSS 3.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Authentication bypass issue exists in BUFFALO Wi-Fi router products, which may allow an attacker to alter critical configuration settings without authentication.

Remediation

Check the references section for vendor advisories and patches from buffalo. Update wzr-s900dhp_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
buffalowcr-1166dhpl_firmware>= 0, < 1.01Affected
buffalowsr3600be4-kh_firmware>= 0, < 6.02Affected
buffalowsr3600be4p_firmware>= 0, < 5.02Affected
buffalowxr-1750dhp_firmware>= 0, < 2.63Affected
buffalowxr-1750dhp2_firmware>= 0, < 2.63Affected
buffalowxr18000be10p_firmware>= 0, < 5.03Affected
buffalowxr-1900dhp_firmware>= 0, < 2.53Affected
buffalowxr-1900dhp2_firmware>= 0, < 2.62Affected
buffalowxr-1900dhp3_firmware>= 0, < 2.66Affected

References

Refjvn.jp/en/jp/JVN83788689/Refwww.buffalo.jp/news/detail/20260323-01.html

How CyberStrike helps

Frequently asked questions

What is CVE-2026-32678?

CVE-2026-32678 is a high-severity vulnerability affecting buffalo wzr-s900dhp_firmware. It was published on March 27, 2026 and has a CVSS 3.0 base score of 7.5 (HIGH).

How severe is CVE-2026-32678?

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-32678?

Check the references section for vendor advisories and patches from buffalo. Update wzr-s900dhp_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-32678?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-32678 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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