# CVE-2026-90688

## Summary

- **CVE ID:** CVE-2026-90688
- **Severity:** HIGH
- **CVSS Score:** 7.1 (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X)
- **CWE:** CWE-121, CWE-119
- **Published:** Sep 14, 2026
- **Last Modified:** Sep 15, 2026

## Description

A vulnerability was identified in Tenda W20E 15.11.0.61068_1546_841_CN_TDC. This issue affects the function formIPMacBindAdd of the component HTTP Handler. Such manipulation of the argument IPMacBindRule leads to stack-based buffer overflow. It is possible to launch the attack remotely.

## Affected Products

- Tenda — W20E (15.11.0.61068_1546_841_CN_TDC)

## References

- [CNA](https://vuldb.com/vuln/403221)
- [CNA](https://vuldb.com/vuln/403221/cti)
- [CNA](https://vuldb.com/cve/CVE-2026-90688)
- [CNA](https://vuldb.com/submit/914958)
- [CNA](https://github.com/Amalll-Sec/router-vulnerability-research/blob/main/advisories/Tenda/W20E/formIPMacBindAdd/README.md)
- [CNA](https://www.tenda.com.cn/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.40%
- **EPSS Percentile:** 33.8

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-19._