How severe is CVE-2026-32678?

CVE-2026-32678 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2026-32678 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-32678?

CVE-2026-32678 primarily affects Buffalo Wzr-s900dhp Firmware. In total, 46 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-32678?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-32678 have an EU (EUVD) identifier?

Yes. CVE-2026-32678 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16547.

When was CVE-2026-32678 published?

CVE-2026-32678 was published on 2026-03-27 and last updated on 2026-06-17.

CVE-2026-32678

CVE-2026-32678 is a high-severity vulnerability in Buffalo Wzr-s900dhp Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-288.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 8.7
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-16547
Weakness: CWE-288
Affected product: Buffalo Wzr-s900dhp Firmware
Published: 2026-03-27
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2026-32678?: Authentication bypass issue exists in BUFFALO Wi-Fi router products, which may allow an attacker to alter critical configuration settings without authentication.
How severe is CVE-2026-32678?: CVE-2026-32678 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2026-32678 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-32678?: CVE-2026-32678 primarily affects Buffalo Wzr-s900dhp Firmware. In total, 46 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-32678?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-32678 have an EU (EUVD) identifier?: Yes. CVE-2026-32678 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16547.
When was CVE-2026-32678 published?: CVE-2026-32678 was published on 2026-03-27 and last updated on 2026-06-17.

References

Affected products (46)

cpe:2.3:o:buffalo:wzr-s900dhp_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wcr-1166dhpl_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wsr3600be4-kh_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wsr3600be4p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wxr-1750dhp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wxr-1750dhp2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wxr18000be10p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wxr-1900dhp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wxr-1900dhp2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wxr-1900dhp3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wxr-5950ax12_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wxr-6000ax12b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wxr-6000ax12p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wxr-6000ax12s_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wzr-1166dhp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wzr-1166dhp2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wzr-1750dhp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wzr-1750dhp2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wzr-s1750dhp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wrm-d2133hp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wrm-d2133hs_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wtr-m2133hp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wtr-m2133hs_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wem-1266_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wem-1266wp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:vr-u300w_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:vr-u500x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wapm-1266r_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wapm-1266wdpr_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wapm-1266wdpra_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wapm-1750d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wapm-2133r_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wapm-2133tr_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wapm-ax4r_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wapm-ax8r_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wapm-axetr_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:waps-1266_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:waps-ax4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:fs-m1266_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:fs-s1266_firmware:*:*:*:*:*:*:*:*

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CVE-2016-4815 — High (CVSS 7.5): Directory traversal vulnerability on BUFFALO WZR-600DHP3 devices with firmware 2.16 and earlier and WZR-S600DHP devices…
CVE-2016-4816 — Medium (CVSS 6.5): BUFFALO WZR-600DHP3 devices with firmware 2.16 and earlier and WZR-S600DHP devices allow remote attackers to discover…

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