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    CVE-2025-13400

    A vulnerability was detected in Tenda CH22 1.0.0.1. Affected is the function formWrlExtraGet of the file /goform/WrlExtraGet. Performing a manipulation of the argument chkHz results in buffer overflow. Remote exploitation of the attack is possible. The exploit is now public and may be used.

    Published:Nov 19, 2025
    Last Modified:Feb 24, 2026
    EPS:Nov 19, 2025
    EPSS Score:0.0016
    CVSS Score:8.8

    Affected Products

    Vendor
    Tenda
    Product
    Ch22
    Vendor
    Tenda
    Product
    Ch22 Firmware

    Exploits

    https://github.com/f000x0/cve/issues/14

    Related CVEs

    CVE-2026-78141 (CVSS 2.1) — A vulnerability has been found in Tenda CH22 1.0.0.1. This affects the function formexeCommand of the file /go…
    CVE-2026-78063 (CVSS 2.1) — A security flaw has been discovered in Tenda CH22 1.0.0.1. The impacted element is the function formeditFileNa…
    CVE-2026-77031 (CVSS 2.1) — A vulnerability has been found in Tenda CH22 1.0.0.1. The affected element is the function formcreateFileName …
    CVE-2026-19346 (CVSS 7.4) — A vulnerability was determined in Tenda CH22 1.0.0.1. This vulnerability affects the function formCertListInfo…
    CVE-2026-15543 (CVSS 7.4) — A vulnerability was found in Tenda CH22 1.0.0.1. This impacts the function formCertListInfo of the file /gofor…
    CVE-2026-5962 (CVSS 5.5) — A vulnerability was detected in Tenda CH22 1.0.0.6(468). This issue affects the function R7WebsSecurityHandler…
    CVE-2026-5605 (CVSS 7.4) — A weakness has been identified in Tenda CH22 1.0.0.1. This affects the function formWrlExtraSet of the file /g…
    CVE-2026-5604 (CVSS 7.4) — A security flaw has been discovered in Tenda CH22 1.0.0.1. The impacted element is the function formCertLocalP…
    CVE-2026-5204 (CVSS 7.4) — A vulnerability was determined in Tenda CH22 1.0.0.1. Affected is the function formWebTypeLibrary of the file …
    CVE-2026-5156 (CVSS 7.4) — A vulnerability was determined in Tenda CH22 1.0.0.1. This impacts the function formQuickIndex of the file /go…

    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