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Threatist priority CRITICAL 0 HIGH 0 MEDIUM 1 LOW 1

Signals Exploited in the wild (KEV) 0 Patch available 2 No fix listed 0 Has CVE 2

Fix status Fixed 2 Partial 0 Will not fix 0 Deferred 0 No fix listed 0

Impact type Code execution 1 Privilege escalation 0 Security bypass 0 Information disclosure 0 Tampering 0 Denial of service 1 Spoofing 0 Cross-site scripting 0 SQL injection 0

Attack vector Network 2 Adjacent network 0 Local 0 Physical 0

Requirements No authentication 1 No user interaction 2

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Weakness (CWE) CWE-121 Stack-based Buffer Overflow 1 CWE-78 Improper Neutralization of Special Elements used in an OS Command 1

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Release: BUFFALO WEX-G300, WSR-300HP Ver.1.71, Ver.2.55 × Clear all filters

TI-2026-63498 CVE-2026-95104 · GHSA-963h-25p5-p8fw

Stack-based buffer overflow in BUFFALO INC. WSR-300HP

Priority MEDIUM 44

Stack-based buffer overflow vulnerability exists in BUFFALO Wi-Fi products.

CVSS 4.0HIGH 8.7· Network · No auth · No interaction · EPSS 0.00357 · Published 2026-09-28 · Fixed in Ver.2.55, Ver.1.71 CWE-121

TI-2026-59213 CVE-2026-86530 · GHSA-j628-7w6r-937x

OS command injection in BUFFALO INC. WSR-300HP

Priority LOW 39

BUFFALO Wi-Fi products handle some web form input improperly to assemble command line strings internally.

CVSS 4.0HIGH 8.6· Network · High privileges · No interaction · EPSS 0.0036 · Published 2026-09-28 · Fixed in Ver.2.55, Ver.1.71 CWE-78

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