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    CVE-2025-70327

    TOTOLINK X5000R v9.1.0cu_2415_B20250515 contains an argument injection vulnerability in the setDiagnosisCfg handler of the /usr/sbin/lighttpd executable. The ip parameter is retrieved via websGetVar and passed to a ping command through CsteSystem without validating if the input starts with a hyphen (-). This allows remote authenticated attackers to inject arbitrary command-line options into the ping utility, potentially leading to a Denial of Service (DoS) by causing excessive resource consumption or prolonged execution.

    Published:Feb 23, 2026
    Last Modified:Feb 26, 2026
    EPS:Feb 23, 2026
    EPSS Score:0.00071
    CVSS Score:9.8

    Affected Products

    Vendor
    Totolink
    Product
    X5000r
    Vendor
    Totolink
    Product
    X5000r Firmware

    Exploits

    https://github.com/neighborhood-H/0-DAY/blob/main/Toto-link/X5000R/SetDiagnosisCfg/report.mdhttps://www.notion.so/TOTOLINK-X5000R-SetDiagnosisCfg-2d170566ca7f8098a0bcee9f2a15d40d?source=copy_link

    Related CVEs

    CVE-2026-15204 (CVSS 5.5) — A vulnerability was detected in TOTOLINK X5000R 9.1.0cu.2415_B20250515/9.1.0cu.2350_B20230313. Affected by thi…
    CVE-2026-8137 (CVSS 7.4) — A vulnerability has been found in Totolink X5000R 9.1.0u.6369_B20230113. This vulnerability affects the functi…
    CVE-2025-67445 (CVSS 7.5) — TOTOLINK X5000R V9.1.0cu.2415_B20250515 contains a denial-of-service vulnerability in /cgi-bin/cstecgi.cgi. Th…
    CVE-2025-70329 (CVSS 8) — TOTOLink X5000R v9.1.0cu_2415_B20250515 contains an OS command injection vulnerability in the setIptvCfg handl…
    CVE-2025-14586 (CVSS 2.1) — A vulnerability was determined in TOTOLINK X5000R 9.1.0cu.2089_B20211224. Affected by this issue is the functi…
    CVE-2025-13184 (CVSS 9.8) — Unauthenticated Telnet enablement via cstecgi.cgi (auth bypass) leading to unauthenticated root login with a b…
    CVE-2025-9934 (CVSS 2.1) — A vulnerability was found in TOTOLINK X5000R 9.1.0cu.2415_B20250515. This affects the function sub_410C34 of t…
    CVE-2025-25604 (CVSS 6.5) — Totolink X5000R V9.1.0u.6369_B20230113 is vulnerable to command injection via the vif_disable function in mtkw…
    CVE-2025-25605 (CVSS 6.5) — Totolink X5000R V9.1.0u.6369_B20230113 is vulnerable to command injection via the apcli_wps_gen_pincode functi…
    CVE-2024-57016 (CVSS 8.8) — TOTOLINK X5000R V9.1.0cu.2350_B20230313 was discovered to contain an OS command injection vulnerability via th…

    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