Buffalo Known Exploited Vulnerabilities

Evidence-backed KEV intelligence for Buffalo products — CISA KEV status, confidence, sensor telemetry, and virtual-patch availability.

Total KEVs

2

In CISA KEV

1

Beyond CISA KEV

1

Sensor Observed

0

Virtual Patch Available

0

Buffalo KEVs Added by Year

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2 Buffalo KEVs added all time (primary attestation date).

Attested CVEs

CVE Confidence CISA KEV Added
CVE-2021-20092

The web interfaces of Buffalo WSR-2533DHPL2 firmware version <= 1.02 and WSR-2533DHP3 firmware version <= 1.24 do not properly restrict...

High Not in CISA 03 Oct 2025
CVE-2021-20090

A path traversal vulnerability in the web interfaces of Buffalo WSR-2533DHPL2 firmware version <= 1.02 and WSR-2533DHP3 firmware version <=...

Confirmed In CISA 03 Nov 2021

Common Vulnerability Classes (CWE)

  • CWE-22 — Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') 1
  • CWE-287 — Improper Authentication 1

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