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    CVE-2026-7546

    A security vulnerability has been detected in Totolink NR1800X 9.1.0u.6279_B20210910. The impacted element is the function find_host_ip of the component lighttpd. Such manipulation of the argument Host leads to stack-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed publicly and may be used.

    Published:May 1, 2026
    Last Modified:May 1, 2026
    EPS:May 1, 2026
    EPSS Score:0.00077
    CVSS Score:9.8

    Affected Products

    Vendor
    Totolink
    Product
    Nr1800x
    Vendor
    Totolink
    Product
    Nr1800x Firmware

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-15701 (CVSS 8.9) — A weakness has been identified in Totolink NR1800X 9.1.0u.6279_B20210910. Affected by this issue is the functi…
    CVE-2026-7548 (CVSS 7.4) — A vulnerability was detected in Totolink NR1800X 9.1.0u.6279_B20210910. This affects the function sub_41A68C o…
    CVE-2026-5030 (CVSS 2.1) — A vulnerability has been found in Totolink NR1800X 9.1.0u.6279_B20210910. This issue affects the function NTPS…
    CVE-2026-1328 (CVSS 7.4) — A vulnerability was detected in Totolink NR1800X 9.1.0u.6279_B20210910. Impacted is the function setWizardCfg …
    CVE-2026-1327 (CVSS 2.1) — A security vulnerability has been detected in Totolink NR1800X 9.1.0u.6279_B20210910. This issue affects the f…
    CVE-2026-1326 (CVSS 2.1) — A weakness has been identified in Totolink NR1800X 9.1.0u.6279_B20210910. This vulnerability affects the funct…
    CVE-2025-60686 (CVSS 5.1) — A local stack-based buffer overflow vulnerability exists in the infostat.cgi and cstecgi.cgi binaries of ToToL…
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    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