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    CVE-2025-60684

    A stack buffer overflow vulnerability exists in the ToToLink LR1200GB (V9.1.0u.6619_B20230130) and NR1800X (V9.1.0u.6681_B20230703) Router firmware within the cstecgi.cgi binary (sub_42F32C function). The web interface reads the "lang" parameter and constructs Help URL strings using sprintf() into fixed-size stack buffers without proper length validation. Maliciously crafted input can overflow these buffers, potentially leading to arbitrary code execution or memory corruption, without requiring authentication.

    Published:Nov 13, 2025
    Last Modified:Nov 24, 2025
    EPS:Nov 13, 2025
    EPSS Score:0.00168
    CVSS Score:6.5

    Affected Products

    Vendor
    Totolink
    Product
    Lr1200gb
    Vendor
    Totolink
    Product
    Lr1200gb Firmware
    Vendor
    Totolink
    Product
    Nr1800x
    Vendor
    Totolink
    Product
    Nr1800x Firmware

    Exploits

    https://github.com/yifan20020708/SGTaint-0-day/blob/main/ToToLink/ToToLink-LR1200GB/CVE-2025-60684.md

    Common Weakness Enumeration

    CWE-121 Stack-based Buffer Overflow

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2025-60688 (CVSS 6.5) — A stack buffer overflow vulnerability exists in the ToToLink LR1200GB (V9.1.0u.6619_B20230130) and NR1800X (V9…
    CVE-2025-60686 (CVSS 5.1) — A local stack-based buffer overflow vulnerability exists in the infostat.cgi and cstecgi.cgi binaries of ToToL…
    CVE-2025-60687 (CVSS 6.5) — An unauthenticated command injection vulnerability exists in the ToToLink LR1200GB Router firmware V9.1.0u.661…
    CVE-2024-1783 (CVSS 9.8) — A vulnerability classified as critical has been found in Totolink LR1200GB 9.1.0u.6619_B20230130/9.3.5u.6698_B…
    CVE-2024-0578 (CVSS 8.8) — A vulnerability classified as critical has been found in Totolink LR1200GB 9.1.0u.6619_B20230130. Affected is …
    CVE-2024-0577 (CVSS 8.8) — A vulnerability was found in Totolink LR1200GB 9.1.0u.6619_B20230130. It has been rated as critical. This issu…
    CVE-2024-0576 (CVSS 8.8) — A vulnerability was found in Totolink LR1200GB 9.1.0u.6619_B20230130. It has been declared as critical. This v…
    CVE-2024-0575 (CVSS 8.8) — A vulnerability was found in Totolink LR1200GB 9.1.0u.6619_B20230130. It has been classified as critical. This…
    CVE-2024-0574 (CVSS 8.8) — A vulnerability was found in Totolink LR1200GB 9.1.0u.6619_B20230130 and classified as critical. Affected by t…
    CVE-2024-0573 (CVSS 8.8) — A vulnerability has been found in Totolink LR1200GB 9.1.0u.6619_B20230130 and classified as critical. Affected…

    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