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[Japanese]
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JVNDB-2026-000078
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NEC Aterm series vulnerable to cross-site scripting (NV26-002)
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Aterm series products provided by NEC Corporation contain the following vulnerability.- Cross-site scripting (CWE-79) - CVE-2026-6059
Noriaki Iwasaki of Cyber Defense Institute, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
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CVSS V3 Severity:
Base Metrics 3.8 (Low) [IPA Score]
- Attack Vector: Adjacent Network
- Attack Complexity: Low
- Privileges Required: None
- User Interaction: Required
- Scope: Changed
- Confidentiality Impact: None
- Integrity Impact: Low
- Availability Impact: None
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CVSS v4 Severity
Base Metrics: 4.8 (Medium) [IPA Score]
- Access Vector (AV): Adjacent Network
- Attack Complexity (AC): Low
- Attack Requirements (AT): None
- Privileges Required (PR): None
- User Interaction (UI): Active
Vulnerable System Impact
- Confidentiality Impact (VC): None
- Integrity Impact (VI): None
- Availability Impact (VA): None
Subsequent System Impact
- Confidentiality Impact (SC): None
- Integrity Impact (SI): Low
- Availability Impact (SA): None
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NEC Corporation
- Aterm 19000T12BE versions prior to Ver.1.1.0
- Aterm GX621A1 versions prior to Ver.3.2.2
- Aterm SH621A1 versions prior to Ver.3.2.2
- Aterm WX11000T12 versions prior to Ver.1.4.0
- Aterm WX1800HP versions prior to Ver.3.2.2
- Aterm WX3000HP2 versions prior to Ver.1.3.2
- Aterm WX4200D5 versions prior to Ver.1.3.5
- Aterm WX5400HP versions prior to Ver.2.1.0
- Aterm WX7800T8 versions prior to Ver.1.5.1
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An arbitrary script may be executed on the web browser of the user who accessed the product's web management page.
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[Update the firmware]
Update the firmware to the latest version according to the information provided by the developer.
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NEC Corporation
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- Cross-site Scripting(CWE-79) [IPA Evaluation]
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- CVE-2026-6059
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- JVN : JVN#69049186
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- [2026/05/25]
Web page was published
- [2025/05/25]
CVSS Severity was modified
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