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    CVE-2024-4020

    A vulnerability was found in Tenda FH1206 1.2.0.8(8155) and classified as critical. This issue affects the function fromAddressNat of the file /goform/addressNat. The manipulation of the argument entrys leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-261671. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

    Published:Apr 20, 2024
    Last Modified:Jul 12, 2025
    EPS:Apr 20, 2024
    EPSS Score:0.00217
    CVSS Score:8.8

    Affected Products

    Vendor
    Tenda
    Product
    Fh1206

    Exploits

    https://palm-vertebra-fe9.notion.site/fromAddressNat_entrys-b04d5356e5f04e30b37cb9037b94e1b2https://palm-vertebra-fe9.notion.site/fromAddressNat_entrys-b04d5356e5f04e30b37cb9037b94e1b2

    Related CVEs

    CVE-2025-14994 (CVSS 7.4) — A flaw has been found in Tenda FH1201 and FH1206 1.2.0.14(408)/1.2.0.8(8155). This impacts the function strcat…
    CVE-2024-12002 (CVSS 5.3) — A vulnerability classified as problematic was found in Tenda FH451, FH1201, FH1202 and FH1206 up to 20241129. …
    CVE-2024-44386 (CVSS 7.3) — Tenda FH1206 V1.2.0.8(8155)_EN contains a Buffer Overflow vulnerability via the function fromSetIpBind.…
    CVE-2024-44390 (CVSS 8.8) — Tenda FH1206 V1.2.0.8(8155)_EN contains a Buffer Overflow vulnerability via the function formWrlsafeset.…
    CVE-2024-44387 (CVSS 6.5) — Tenda FH1206 V1.2.0.8(8155)_EN contains a Buffer Overflow vulnerability via the functino formWrlExtraGet.…
    CVE-2024-42976 (CVSS 7.5) — Tenda FH1206 v02.03.01.35 was discovered to contain a stack overflow via the page parameter in the fromSafeCli…
    CVE-2024-42987 (CVSS 7.5) — Tenda FH1206 v02.03.01.35 was discovered to contain a stack-based buffer overflow vulnerability in the fromPpt…
    CVE-2024-42977 (CVSS 7.5) — Tenda FH1206 v02.03.01.35 was discovered to contain a stack overflow via the qos parameter in the fromqossetti…
    CVE-2024-42968 (CVSS 7.5) — Tenda FH1206 v02.03.01.35 was discovered to contain a stack overflow via the Go parameter in the fromSafeUrlFi…
    CVE-2024-42980 (CVSS 7.5) — Tenda FH1206 v02.03.01.35 was discovered to contain a stack overflow via the page parameter in the frmL7ImForm…

    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