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CVE-2026-32678

HIGH
8.7
CVSS Score
Published: March 27, 2026 at 05:25 AM UTC
Updated: October 26, 2026 at 09:10 PM UTC
47 products affected across 2 vendorsWzr 600DHP FirmwareWzr 900DHP FirmwareWzr 1750DHP2 Firmware· also runs on 46 platforms

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Severity
HIGH8.7
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Fs M1266 Firmware· Buffalo
95%
v < 4.13
buffalo-fs-m1266 (same device)
Fs S1266 Firmware· Buffalo
95%
v < 4.13
buffalo-fs-s1266 (same device)
Vr U300W Firmware· Buffalo
95%
v < 1.42
buffalo-vr-u300w (same device)
Vr U500X Firmware· Buffalo
95%
v < 1.42
buffalo-vr-u500x (same device)
Wapm 1266R Firmware· Buffalo
95%
v < 1.42
buffalo-wapm-1266r (same device)
Wapm 1266WDPR Firmware· Buffalo
95%
v < 1.42
buffalo-wapm-1266wdpr (same device)
Wapm 1266WDPRA Firmware· Buffalo
95%
v < 1.42
buffalo-wapm-1266wdpra (same device)
Wapm 1750D Firmware· Buffalo
95%
v < 1.07
buffalo-wapm-1750d (same device)
Wapm 2133R Firmware· Buffalo
95%
v < 1.42
buffalo-wapm-2133r (same device)
Wapm 2133TR Firmware· Buffalo
95%
v < 1.42
buffalo-wapm-2133tr (same device)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Vendor Advisory
Source: cverecord
https://www.buffalo.jp/news/detail/20260323-01.html
Third Party Advisory
Source: cverecord
https://jvn.jp/en/jp/JVN83788689/

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.7HIGHjpcert
Vector?

Quick Info

StatusANALYZED
CWE
CWE-288

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