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CVE-2026-86166

Tenda HG10 Boa Web Server formWanRedirect buffer overflow

CVSS 4.0 8.7 HIGHCVSS 3.1 8.8 HIGHCVSS 3.0 8.8 HIGHCVSS 2.0 9.0 Check source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-86166

Published

A vulnerability was determined in Tenda HG10 300001138. This issue affects the function formWanRedirect of the file /boaform/formWanRedirect of the component Boa Web Server. Executing a manipulation of the argument if can lead to buffer overflow. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-86166

Published

HG10

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Tenda",
                    "product": "HG10",
                    "versions": [
                        {
                            "version": "300001138",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:o:tenda:hg10_firmware:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "Boa Web Server"
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON