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    CVE-2018-18729

    An issue was discovered on Tenda AC7 V15.03.06.44_CN, AC9 V15.03.05.19(6318)_CN, AC10 V15.03.06.23_CN, AC15 V15.03.05.19_CN, and AC18 V15.03.05.19(6318)_CN devices. There is a heap-based buffer overflow vulnerability in the router's web server -- httpd. While processing the 'mac' parameter for a post request, the value is directly used in a strcpy to a variable placed on the heap, which can leak sensitive information or even hijack program control flow.

    Published:Oct 28, 2018
    Last Modified:Nov 21, 2024
    EPS:Oct 28, 2018
    EPSS Score:0.00449
    CVSS Score:9.8

    Affected Products

    Vendor
    Tenda
    Product
    Ac10
    Vendor
    Tenda
    Product
    Ac10 Firmware
    Vendor
    Tenda
    Product
    Ac15
    Vendor
    Tenda
    Product
    Ac15 Firmware
    Vendor
    Tenda
    Product
    Ac18
    Vendor
    Tenda
    Product
    Ac18 Firmware
    Vendor
    Tenda
    Product
    Ac7
    Vendor
    Tenda
    Product
    Ac7 Firmware
    Vendor
    Tenda
    Product
    Ac9
    Vendor
    Tenda
    Product
    Ac9 Firmware

    Exploits

    https://github.com/ZIllR0/Routers/blob/master/Tenda/heapoverflow1.mdhttps://github.com/ZIllR0/Routers/blob/master/Tenda/heapoverflow1.md

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-51380 (CVSS 9.8) — Buffer Overflow vulnerability in Tenda AC10 v3 (firmware V03.03.16.09) allows attackers to cause a permanent D…
    CVE-2026-5550 (CVSS 8.7) — A vulnerability was identified in Tenda AC10 16.03.10.10_multi_TDE01. This affects the function fromSysToolCha…
    CVE-2026-5549 (CVSS 5.5) — A vulnerability was determined in Tenda AC10 16.03.10.10_multi_TDE01. Affected by this issue is some unknown f…
    CVE-2026-5548 (CVSS 8.7) — A vulnerability was found in Tenda AC10 16.03.10.10_multi_TDE01. Affected by this vulnerability is the functio…
    CVE-2026-5547 (CVSS 5.3) — A vulnerability has been found in Tenda AC10 16.03.10.10_multi_TDE01. Affected is the function formAddMacfilte…
    CVE-2025-67074 (CVSS 6.5) — A Buffer overflow vulnerability in function fromAdvSetMacMtuWan of bin httpd in Tenda AC10V4.0 V16.03.10.20 al…
    CVE-2025-67073 (CVSS 9.8) — A Buffer overflow vulnerability in function fromAdvSetMacMtuWan of bin httpd in Tenda AC10V4.0 V16.03.10.20 al…
    CVE-2025-12622 (CVSS 7.4) — A vulnerability was determined in Tenda AC10 16.03.10.13. Affected by this vulnerability is the function formS…

    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