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    CVE-2025-60683

    A command injection vulnerability exists in the ToToLink A720R Router firmware V4.1.5cu.614_B20230630 within the sysconf binary, specifically in the sub_40BFA4 function that handles network interface reinitialization from '/var/system/linux_vlan_reinit'. Input is only partially validated by checking the prefix of interface names, and is concatenated into shell commands executed via system() without escaping. An attacker with write access to this file can execute arbitrary commands on the device.

    Published:Nov 13, 2025
    Last Modified:Nov 17, 2025
    EPS:Nov 13, 2025
    EPSS Score:0.03146
    CVSS Score:6.5

    Affected Products

    Vendor
    Totolink
    Product
    A720r
    Vendor
    Totolink
    Product
    A720r Firmware

    Exploits

    https://github.com/yifan20020708/SGTaint-0-day/blob/main/ToToLink/ToToLink-A720R/CVE-2025-60683.md

    Related CVEs

    CVE-2026-82539 (CVSS 8.5) — A vulnerability was determined in TOTOLINK A720R 4.1.5cu.630_B20250509. This impacts the function setMacFilter…
    CVE-2025-60682 (CVSS 6.5) — A command injection vulnerability exists in the ToToLink A720R Router firmware V4.1.5cu.614_B20230630 within t…
    CVE-2025-60685 (CVSS 5.1) — A stack buffer overflow exists in the ToToLink A720R Router firmware V4.1.5cu.614_B20230630 within the sysconf…
    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-2025-9303 (CVSS 7.4) — A security flaw has been discovered in TOTOLINK A720R 4.1.5cu.630_B20250509. This issue affects the function s…
    CVE-2025-4271 (CVSS 6.9) — A vulnerability was found in TOTOLINK A720R 4.1.5cu.374. It has been declared as problematic. Affected by this…
    CVE-2025-4270 (CVSS 6.9) — A vulnerability was found in TOTOLINK A720R 4.1.5cu.374. It has been classified as problematic. Affected is an…
    CVE-2025-4269 (CVSS 6.9) — A vulnerability was found in TOTOLINK A720R 4.1.5cu.374 and classified as critical. This issue affects some un…
    CVE-2025-4268 (CVSS 6.9) — A vulnerability has been found in TOTOLINK A720R 4.1.5cu.374 and classified as critical. This vulnerability af…
    CVE-2024-8869 (CVSS 2.3) — A vulnerability classified as critical has been found in TOTOLINK A720R 4.1.5. Affected is the function export…

    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