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    CVE-2025-67186

    TOTOLINK A950RG V4.1.2cu.5204_B20210112 contains a buffer overflow vulnerability in the setUrlFilterRules interface of /lib/cste_modules/firewall.so. The vulnerability occurs because the `url` parameter is not properly validated for length, allowing remote attackers to trigger a buffer overflow, potentially leading to arbitrary code execution or denial of service.

    Published:Feb 3, 2026
    Last Modified:Feb 10, 2026
    EPS:Feb 3, 2026
    EPSS Score:0.002
    CVSS Score:9.8

    Affected Products

    Vendor
    Totolink
    Product
    A950rg
    Vendor
    Totolink
    Product
    A950rg Firmware

    Exploits

    https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A950RG/5024-setUrlFliterRules-url-buffer.md

    Related CVEs

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    CVE-2025-67187 (CVSS 9.8) — A stack-based buffer overflow vulnerability was identified in TOTOLINK A950RG V4.1.2cu.5204_B20210112. The fla…
    CVE-2025-67188 (CVSS 9.8) — A buffer overflow vulnerability exists in TOTOLINK A950RG V4.1.2cu.5204_B20210112. The issue resides in the se…
    CVE-2025-67189 (CVSS 6.5) — A buffer overflow vulnerability exists in the setParentalRules interface of TOTOLINK A950RG V4.1.2cu.5204_B202…
    CVE-2025-60699 (CVSS 6.5) — A buffer overflow vulnerability exists in the TOTOLINK A950RG Router firmware V5.9c.4592_B20191022_ALL within …
    CVE-2025-60702 (CVSS 6.5) — A command injection vulnerability exists in the TOTOLINK A950RG Router firmware V5.9c.4592_B20191022_ALL withi…
    CVE-2025-44655 (CVSS 9.8) — In TOTOLink A7100RU V7.4, A950RG V5.9, and T10 V5.9, the chroot_local_user option is enabled in the vsftpd.con…
    CVE-2025-4496 (CVSS 8.7) — A vulnerability was found in TOTOLINK T10, A3100R, A950RG, A800R, N600R, A3000RU and A810R 4.1.8cu.5241_B20210…
    CVE-2025-45798 (CVSS 9.8) — A command execution vulnerability exists in the TOTOLINK A950RG V4.1.2cu.5204_B20210112. The vulnerability is …
    CVE-2025-45797 (CVSS 9.8) — TOTOlink A950RG V4.1.2cu.5204_B20210112 contains a buffer overflow vulnerability. The vulnerability arises fro…

    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