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    CVE-2026-26731

    TOTOLINK A3002RU V2.1.1-B20211108.1455 was discovered to contain a stack-based buffer overflow via the routernamer`parameter in the formDnsv6 function.

    Published:Feb 17, 2026
    Last Modified:Apr 16, 2026
    EPS:Feb 17, 2026
    EPSS Score:0.00054
    CVSS Score:8

    Affected Products

    Vendor
    Totolink
    Product
    A3002ru
    Vendor
    Totolink
    Product
    A3002ru-v2
    Vendor
    Totolink
    Product
    A3002ru Firmware

    Exploits

    https://github.com/0xmania/cve/tree/main/TOTOLINK-A3002RU-boa-formDnsv6-StackOverflow

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-36837 (CVSS 7.5) — TOTOLINK A3002RU V3 <= V3.0.0-B20220304.1804 was discovered to contain a stack-based buffer overflow via the h…
    CVE-2026-26732 (CVSS 8.8) — TOTOLINK A3002RU V2.1.1-B20211108.1455 was discovered to contain a stack-based buffer overflow via the vpnUser…
    CVE-2025-6953 (CVSS 7.4) — A vulnerability, which was classified as critical, was found in TOTOLINK A3002RU 3.0.0-B20230809.1615. Affecte…
    CVE-2025-6939 (CVSS 7.4) — A vulnerability classified as critical has been found in TOTOLINK A3002RU 3.0.0-B20230809.1615. Affected is an…
    CVE-2025-6393 (CVSS 7.4) — A vulnerability was found in TOTOLINK A702R, A3002R, A3002RU and EX1200T 3.0.0-B20230809.1615/4.0.0-B20230531.…
    CVE-2025-6337 (CVSS 7.4) — A vulnerability was found in TOTOLINK A3002R and A3002RU 3.0.0-B20230809.1615/4.0.0-B20230531.1404. It has bee…
    CVE-2025-6163 (CVSS 7.4) — A vulnerability was found in TOTOLINK A3002RU 3.0.0-B20230809.1615 and classified as critical. Affected by thi…
    CVE-2025-6148 (CVSS 7.4) — A vulnerability was found in TOTOLINK A3002RU 3.0.0-B20230809.1615. It has been rated as critical. This issue …
    CVE-2025-5507 (CVSS 4.8) — A vulnerability was found in TOTOLINK A3002RU 2.1.1-B20230720.1011. It has been declared as problematic. Affec…
    CVE-2025-5506 (CVSS 4.8) — A vulnerability was found in TOTOLINK A3002RU 2.1.1-B20230720.1011. It has been classified as problematic. Aff…

    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