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    CVE-2024-0997

    A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216 and classified as critical. Affected by this issue is the function setOpModeCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument pppoeUser leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-252266 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

    Published:Jan 29, 2024
    Last Modified:Nov 21, 2024
    EPS:Jan 29, 2024
    EPSS Score:0.00115
    CVSS Score:7.2

    Affected Products

    Vendor
    Totolink
    Product
    N200re
    Vendor
    Totolink
    Product
    N200re Firmware

    Exploits

    https://jylsec.notion.site/TOTOLINK-N200RE-has-stack-buffer-overflow-vulnerability-in-setOpModeCfg-9faac02b13d84bd3b7fe84aab68c7add?pvs=4https://jylsec.notion.site/TOTOLINK-N200RE-has-stack-buffer-overflow-vulnerability-in-setOpModeCfg-9faac02b13d84bd3b7fe84aab68c7add?pvs=4

    Common Weakness Enumeration

    CWE-121 Stack-based Buffer Overflow

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2025-55895 (CVSS 9.1) — TOTOLINK A3300R V17.0.0cu.557_B20221024 and N200RE V9.3.5u.6448_B20240521 and V9.3.5u.6437_B20230519 are vulne…
    CVE-2025-55893 (CVSS 6.5) — TOTOLINK N200RE V9.3.5u.6437_B20230519 is vulnerable to command Injection in setOpModeCfg via hostName.…
    CVE-2025-7154 (CVSS 2.1) — A vulnerability, which was classified as critical, has been found in TOTOLINK N200RE 9.3.5u.6095_B20200916/9.3…
    CVE-2024-1004 (CVSS 7.2) — A vulnerability, which was classified as critical, was found in Totolink N200RE 9.3.5u.6139_B20201216. This af…
    CVE-2024-1003 (CVSS 7.2) — A vulnerability, which was classified as critical, has been found in Totolink N200RE 9.3.5u.6139_B20201216. Af…
    CVE-2024-1002 (CVSS 7.2) — A vulnerability classified as critical was found in Totolink N200RE 9.3.5u.6139_B20201216. Affected by this vu…
    CVE-2024-1001 (CVSS 7.2) — A vulnerability classified as critical has been found in Totolink N200RE 9.3.5u.6139_B20201216. Affected is th…
    CVE-2024-1000 (CVSS 7.2) — A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216. It has been rated as critical. This issue …
    CVE-2024-0999 (CVSS 7.2) — A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216. It has been declared as critical. This vul…
    CVE-2024-0998 (CVSS 7.2) — A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216. It has been classified as critical. This a…

    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