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    4 vulnerabilities found for tl-wr820n_firmware by tp-link

    CVE-2026-15141 (GCVE-0-2026-15141)

    Vulnerability from nvd – Published: 2026-08-12 22:35 – Updated: 2026-08-13 13:11
    VLAI
    Title
    Referer Validation Bypass in TL-WR820N Web Management Interface
    Summary
    The web interface of the affected device relies on the HTTP referrer header as part of request validation.  Requests containing empty Referer value, or omitting the Referer header entirely, may be accepted and processed due to insufficient validation logic. Successful exploitation may allow an adjacent attacker with access to the web management interface to obtain device configuration details and other sensitive information.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-13 13:11 UTC
    CWE
    • CWE-346 - Origin Validation Error
    Impacted products
    Vendor Product Version
    TP-Link Systems Inc. TL-WR820N v2 Affected: 0 , < 1.15.20 Build 260611 Rel.29552n (custom)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2025-14175 (GCVE-0-2025-14175)

    Vulnerability from nvd – Published: 2025-12-29 19:31 – Updated: 2026-01-02 14:18
    VLAI
    Title
    Weak Algorithm Support in SSH Server on TL-WR820N
    Summary
    A vulnerability in the SSH server of TP-Link TL-WR820N v2.80 allows the use of a weak cryptographic algorithm, enabling an adjacent attacker to intercept and decrypt SSH traffic. Exploitation may expose sensitive information and compromise confidentiality.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-01-02 14:18 UTC
    CWE
    • CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
    Impacted products
    Vendor Product Version
    TP-Link Systems Inc. TL-WR820N v2.8 Affected: 0 , < 1.15.0 Build 250813 (custom)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-15141 (GCVE-0-2026-15141)

    Vulnerability from cvelistv5 – Published: 2026-08-12 22:35 – Updated: 2026-08-13 13:11
    VLAI
    Title
    Referer Validation Bypass in TL-WR820N Web Management Interface
    Summary
    The web interface of the affected device relies on the HTTP referrer header as part of request validation.  Requests containing empty Referer value, or omitting the Referer header entirely, may be accepted and processed due to insufficient validation logic. Successful exploitation may allow an adjacent attacker with access to the web management interface to obtain device configuration details and other sensitive information.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-13 13:11 UTC
    CWE
    • CWE-346 - Origin Validation Error
    Impacted products
    Vendor Product Version
    TP-Link Systems Inc. TL-WR820N v2 Affected: 0 , < 1.15.20 Build 260611 Rel.29552n (custom)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2025-14175 (GCVE-0-2025-14175)

    Vulnerability from cvelistv5 – Published: 2025-12-29 19:31 – Updated: 2026-01-02 14:18
    VLAI
    Title
    Weak Algorithm Support in SSH Server on TL-WR820N
    Summary
    A vulnerability in the SSH server of TP-Link TL-WR820N v2.80 allows the use of a weak cryptographic algorithm, enabling an adjacent attacker to intercept and decrypt SSH traffic. Exploitation may expose sensitive information and compromise confidentiality.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-01-02 14:18 UTC
    CWE
    • CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
    Impacted products
    Vendor Product Version
    TP-Link Systems Inc. TL-WR820N v2.8 Affected: 0 , < 1.15.0 Build 250813 (custom)
    Create a notification for this product.
    Show details on NVD website

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            "orgId": "f23511db-6c3e-4e32-a477-6aa17d310630",
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        "dateReserved": "2025-12-06T00:22:01.470Z",
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