CVE Feed

    Dashboard / CVE / CVE-2026-121616

    CVE-2026-121616

    A vulnerability was identified in Linksys E5600 1.1.0.26. Affected by this vulnerability is the function strcpy of the file /cgi-bin/mesh_login.cgi of the component JSON Request Parser. The manipulation of the argument username/password/token/source/cn/action leads to out-of-bounds write. The attack may be initiated remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way. This vulnerability only affects products that are no longer supported by the maintainer.

    Published:Nov 4, 2026
    Last Modified:Nov 4, 2026
    EPS:Nov 4, 2026
    EPSS Score:
    CVSS Score:5.3

    Affected Products

    Vendor
    Linksys
    Product
    E5600
    Vendor
    Linksys
    Product
    E5600 Firmware

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-121618 (CVSS 5.5) — A weakness has been identified in Linksys E5600 1.1.0.26. This affects an unknown part of the file /cgi-bin/fq…
    CVE-2026-121617 (CVSS 7.7) — A security flaw has been discovered in Linksys E5600 1.1.0.26. Affected by this issue is the function init_mul…
    CVE-2026-121615 (CVSS 9.3) — A vulnerability was determined in Linksys E5600 1.1.0.26. Affected is an unknown function of the file /cgi-bin…
    CVE-2025-29229 (CVSS 9.8) — linksys E5600 V1.1.0.26 is vulnerable to command injection in the function ddnsStatus.…
    CVE-2025-29228 (CVSS 9.8) — Linksys E5600 V1.1.0.26 is vulnerable to command injection in the runtime.macClone function via the mc.ip para…
    CVE-2025-29231 (CVSS 6.1) — A stored cross-site scripting (XSS) vulnerability in the page_save component of Linksys E5600 V1.1.0.26 allows…
    CVE-2025-9146 (CVSS 7.5) — A flaw has been found in Linksys E5600 1.1.0.26. The affected element is the function verify_gemtek_header of …
    CVE-2025-45488 (CVSS 9.8) — Linksys E5600 v1.1.0.26 was discovered to contain a command injection vulnerability in the runtime.ddnsStatus …
    CVE-2025-45490 (CVSS 9.8) — Linksys E5600 v1.1.0.26 was discovered to contain a command injection vulnerability in the runtime.ddnsStatus …
    CVE-2025-45491 (CVSS 9.8) — Linksys E5600 v1.1.0.26 was discovered to contain a command injection vulnerability in the runtime.ddnsStatus …

    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