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    CVE-2026-9431

    A vulnerability was identified in Tenda F1202 1.2.0.20(408). This affects the function fromPptpUserAdd of the file /goform/PptpUserAdd. The manipulation of the argument opttype leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit is publicly available and might be used.

    Published:May 25, 2026
    Last Modified:May 26, 2026
    EPS:May 25, 2026
    EPSS Score:0.00046
    CVSS Score:8.8

    Affected Products

    Vendor
    Tenda
    Product
    F1202
    Vendor
    Tenda
    Product
    F1202 Firmware

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-9430 (CVSS 7.4) — A vulnerability was determined in Tenda F1202 1.2.0.20(408). Affected by this issue is the function formGstDhc…
    CVE-2026-9429 (CVSS 7.4) — A vulnerability was found in Tenda F1202 1.2.0.20(408). Affected by this vulnerability is the function formWrl…
    CVE-2026-9428 (CVSS 7.4) — A vulnerability has been found in Tenda F1202 1.2.0.20(408). Affected is the function fromPPTPUserSetting of t…
    CVE-2025-9806 (CVSS 0.9) — A vulnerability was determined in Tenda F1202 1.2.0.9/1.2.0.14/1.2.0.20. Impacted is an unknown function of th…
    CVE-2024-3878 (CVSS 8.8) — A vulnerability, which was classified as critical, has been found in Tenda F1202 1.2.0.20(408). Affected by th…
    CVE-2024-3877 (CVSS 8.8) — A vulnerability classified as critical was found in Tenda F1202 1.2.0.20(408). Affected by this vulnerability …
    CVE-2024-3876 (CVSS 8.8) — A vulnerability classified as critical has been found in Tenda F1202 1.2.0.20(408). Affected is the function f…
    CVE-2024-3875 (CVSS 8.8) — A vulnerability was found in Tenda F1202 1.2.0.20(408). It has been rated as critical. This issue affects the …
    CVE-2024-30636 (CVSS 6.5) — Tenda F1202 v1.2.0.20(408) has a stack overflow vulnerability via the PPPOEPassword parameter in the formQuick…
    CVE-2024-30639 (CVSS 6.5) — Tenda F1202 v1.2.0.20(408) has a stack overflow vulnerability in the page parameter of fromAddressNat function…

    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