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    CVE-2025-63666

    Tenda AC15 v15.03.05.18_multi) issues an authentication cookie that exposes the account password hash to the client and uses a short, low-entropy suffix as the session identifier. An attacker with network access or the ability to run JS in a victim browser can steal the cookie and replay it to access protected resources.

    Published:Nov 12, 2025
    Last Modified:Nov 18, 2025
    EPS:Nov 12, 2025
    EPSS Score:0.0006
    CVSS Score:9.8

    Affected Products

    Vendor
    Tenda
    Product
    Ac15
    Vendor
    Tenda
    Product
    Ac15 Firmware

    Exploits

    https://github.com/Remenis/CVE-2025-63666https://github.com/Remenis/CVE-2025-63666

    Common Weakness Enumeration

    CWE-284 Improper Access Control

    Related CVEs

    CVE-2026-11493 (CVSS 1.3) — A weakness has been identified in Tenda AC15 15.03.05.19. The impacted element is an unknown function of the f…
    CVE-2026-5830 (CVSS 7.4) — A vulnerability was identified in Tenda AC15 15.03.05.18. This affects the function websGetVar of the file /go…
    CVE-2026-4975 (CVSS 7.4) — A vulnerability has been found in Tenda AC15 15.03.05.19. This affects the function formSetCfm of the file /go…
    CVE-2026-24103 (CVSS 9.8) — A buffer overflow vulnerability was discovered in goform/formSetMacFilterCfg in Tenda AC15V1.0 V15.03.05.18_mu…
    CVE-2026-24101 (CVSS 9.8) — An issue was discovered in goform/formSetIptv in Tenda AC15V1.0 V15.03.05.18_multi. When the condition is met,…
    CVE-2026-24105 (CVSS 9.8) — An issue was discovered in goform/formsetUsbUnload in Tenda AC15V1.0 V15.03.05.18_multi. The value of `v1` was…
    CVE-2026-3400 (CVSS 7.4) — A security flaw has been discovered in Tenda AC15 up to 15.13.07.13. Affected by this issue is some unknown fu…
    CVE-2025-11389 (CVSS 7.4) — A security flaw has been discovered in Tenda AC15 15.03.05.18. Affected is an unknown function of the file /go…
    CVE-2025-11388 (CVSS 7.4) — A vulnerability was identified in Tenda AC15 15.03.05.18. This impacts an unknown function of the file /goform…
    CVE-2025-11387 (CVSS 7.4) — A vulnerability was determined in Tenda AC15 15.03.05.18. This affects an unknown function of the file /goform…

    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