How severe is CVE-2026-32669?

CVE-2026-32669 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-32669 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-32669?

CVE-2026-32669 primarily affects Buffalo Wcr-1166dhpl 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-2026-32669?

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

Does CVE-2026-32669 have an EU (EUVD) identifier?

Yes. CVE-2026-32669 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16545.

When was CVE-2026-32669 published?

CVE-2026-32669 was published on 2026-03-27 and last updated on 2026-06-17.

CVE-2026-32669

CVE-2026-32669 is a critical-severity vulnerability in Buffalo Wcr-1166dhpl Firmware with a CVSS 3.x base score of 9.8. 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-94.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 8.7
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-16545
Weakness: CWE-94
Affected product: Buffalo Wcr-1166dhpl Firmware
Published: 2026-03-27
Last modified: 2026-06-17

Description

Code injection vulnerability exists in BUFFALO Wi-Fi router products. If this vulnerability is exploited, an arbitrary code may be executed on the products.

Frequently asked questions

What is CVE-2026-32669?: Code injection vulnerability exists in BUFFALO Wi-Fi router products. If this vulnerability is exploited, an arbitrary code may be executed on the products.
How severe is CVE-2026-32669?: CVE-2026-32669 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-32669 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-32669?: CVE-2026-32669 primarily affects Buffalo Wcr-1166dhpl 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-2026-32669?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-32669 have an EU (EUVD) identifier?: Yes. CVE-2026-32669 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16545.
When was CVE-2026-32669 published?: CVE-2026-32669 was published on 2026-03-27 and last updated on 2026-06-17.

References

Affected products (46)

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:*:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wzr-600dhp_firmware:-:*:*:*:*:*:*:*

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