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    CVE-2026-4903

    A flaw has been found in Tenda AC5 15.03.06.47. This vulnerability affects the function formQuickIndex of the file /goform/QuickIndex of the component POST Request Handler. This manipulation of the argument PPPOEPassword causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been published and may be used.

    Published:Mar 26, 2026
    Last Modified:Apr 2, 2026
    EPS:Mar 26, 2026
    EPSS Score:0.00079
    CVSS Score:8.8

    Affected Products

    Vendor
    Tenda
    Product
    Ac5
    Vendor
    Tenda
    Product
    Ac5 Firmware

    Exploits

    https://lavender-bicycle-a5a.notion.site/Tenda_AC5_QuickIndex_PPPOEPassword-32053a41781f808dae98f99c99bcb21c?source=copy_link

    Related CVEs

    CVE-2026-4906 (CVSS 7.4) — A vulnerability was determined in Tenda AC5 15.03.06.47. The affected element is the function decodePwd of the…
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    CVE-2026-4904 (CVSS 7.4) — A vulnerability has been found in Tenda AC5 15.03.06.47. This issue affects the function formSetCfm of the fil…
    CVE-2026-4902 (CVSS 7.4) — A vulnerability was detected in Tenda AC5 15.03.06.47. This affects the function fromAddressNat of the file /g…
    CVE-2025-6887 (CVSS 7.4) — A vulnerability was found in Tenda AC5 15.03.06.47 and classified as critical. Affected by this issue is some …
    CVE-2025-6886 (CVSS 7.4) — A vulnerability has been found in Tenda AC5 15.03.06.47 and classified as critical. Affected by this vulnerabi…
    CVE-2025-5863 (CVSS 7.4) — A vulnerability was found in Tenda AC5 15.03.06.47. It has been classified as critical. Affected is the functi…
    CVE-2025-5795 (CVSS 7.4) — A vulnerability, which was classified as critical, was found in Tenda AC5 1.0/15.03.06.47. This affects the fu…
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    CVE-2023-41562 (CVSS 9.8) — Tenda AC7 V1.0 V15.03.06.44, Tenda AC9 V3.0 V15.03.06.42_multi, and Tenda AC5 US_AC5V1.0RTL_V15.03.06.28 were …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High