# CVE-2026-86166

## Summary

- **CVE ID:** CVE-2026-86166
- **Severity:** HIGH
- **CVSS Score:** 9 (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P)
- **CWE:** CWE-120, CWE-119
- **Published:** Sep 6, 2026
- **Last Modified:** Sep 6, 2026

## Description

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.

## Affected Products

- Tenda — HG10 (300001138)

## References

- [CNA](https://vuldb.com/vuln/399305)
- [CNA](https://vuldb.com/vuln/399305/cti)
- [CNA](https://vuldb.com/cve/CVE-2026-86166)
- [CNA](https://vuldb.com/submit/895595)
- [CNA](https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/HG10/bof-formWanRedirect-if.md)
- [CNA](https://www.tenda.com.cn/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.48%
- **EPSS Percentile:** 39.7

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._