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5 vulnerabilities found for WEX-G300 by BUFFALO INC.
JVNDB-2026-035794
Vulnerability from jvndb - Published: 2026-09-29 04:35 - Updated:2026-09-29 04:35
Severity
Summary
Multiple vulnerabilities in BUFFALO Wi-Fi Products
Details
The web configuration user interfaces of Wi-Fi products provided by BUFFALO INC. contain multiple vulnerabilities listed below.
- OS command injection (CWE-78) - CVE-2026-86530
- Stack-based buffer overflow (CWE-121) - CVE-2026-95104
References
| Type | URL | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | |
|---|---|---|
{
"@rdf:about": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-035794.html",
"dc:date": "2026-09-29T13:35+09:00",
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"description": "The web configuration user interfaces of Wi-Fi products provided by BUFFALO INC. contain multiple vulnerabilities listed below.\u003ca href=\u0027https://cwe.mitre.org/data/definitions/78.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003ca href=\u0027https://cwe.mitre.org/data/definitions/121.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003cul\u003e\u003cli\u003eOS command injection (CWE-78) - CVE-2026-86530\u003c/li\u003e\u003cli\u003eStack-based buffer overflow (CWE-121) - CVE-2026-95104\u003c/li\u003e\u003c/ul\u003eVeeti Punnonen reported these vulnerabilities to JPCERT/CC.\r\nJPCERT/CC coordinated with the developer.",
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"@title": "OS Command Injection(CWE-78)"
}
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"title": "Multiple vulnerabilities in BUFFALO Wi-Fi Products"
}
CVE-2026-95104 (GCVE-0-2026-95104)
Vulnerability from nvd – Published: 2026-09-28 08:14 – Updated: 2026-09-30 13:45
VLAI
EPSS
VEX
Summary
Stack-based buffer overflow vulnerability exists in BUFFALO Wi-Fi products. A non-authenticated crafted HTTP request may cause a denial-of-service (DoS) condition.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 13:45 UTC
CWE
- CWE-121 - Stack-based buffer overflow
Assigner
References
2 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| BUFFALO INC. | WSR-300HP |
Affected:
0 , < Ver.2.55
(semver)
|
|
| BUFFALO INC. | WEX-G300 |
Affected:
0 , < Ver.1.71
(semver)
|
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CVE-2026-86530 (GCVE-0-2026-86530)
Vulnerability from nvd – Published: 2026-09-28 08:14 – Updated: 2026-09-30 12:33
VLAI
EPSS
VEX
Summary
BUFFALO Wi-Fi products handle some web form input improperly to assemble command line strings internally. An administrative user may send a crafted HTTP request and execute an arbitrary OS command.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 12:33 UTC
CWE
- CWE-78 - Improper neutralization of special elements used in an OS command ('OS Command Injection')
Assigner
References
2 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| BUFFALO INC. | WSR-300HP |
Affected:
0 , < Ver.2.55
(semver)
|
|
| BUFFALO INC. | WEX-G300 |
Affected:
0 , < Ver.1.71
(semver)
|
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CVE-2026-95104 (GCVE-0-2026-95104)
Vulnerability from cvelistv5 – Published: 2026-09-28 08:14 – Updated: 2026-09-30 13:45
VLAI
EPSS
VEX
Summary
Stack-based buffer overflow vulnerability exists in BUFFALO Wi-Fi products. A non-authenticated crafted HTTP request may cause a denial-of-service (DoS) condition.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 13:45 UTC
CWE
- CWE-121 - Stack-based buffer overflow
Assigner
References
2 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| BUFFALO INC. | WSR-300HP |
Affected:
0 , < Ver.2.55
(semver)
|
|
| BUFFALO INC. | WEX-G300 |
Affected:
0 , < Ver.1.71
(semver)
|
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CVE-2026-86530 (GCVE-0-2026-86530)
Vulnerability from cvelistv5 – Published: 2026-09-28 08:14 – Updated: 2026-09-30 12:33
VLAI
EPSS
VEX
Summary
BUFFALO Wi-Fi products handle some web form input improperly to assemble command line strings internally. An administrative user may send a crafted HTTP request and execute an arbitrary OS command.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 12:33 UTC
CWE
- CWE-78 - Improper neutralization of special elements used in an OS command ('OS Command Injection')
Assigner
References
2 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| BUFFALO INC. | WSR-300HP |
Affected:
0 , < Ver.2.55
(semver)
|
|
| BUFFALO INC. | WEX-G300 |
Affected:
0 , < Ver.1.71
(semver)
|
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