# CVE-2026-90693

## Summary

- **CVE ID:** CVE-2026-90693
- **Severity:** CRITICAL
- **CVSS Score:** 9.9 (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X)
- **CWE:** CWE-121, CWE-119
- **Published:** Sep 14, 2026
- **Last Modified:** Sep 15, 2026

## Description

A flaw has been found in D-Link DIR-878 120B05. This impacts the function SetWan3Settings of the component WAN Settings. This manipulation of the argument Primary/Secondary causes stack-based buffer overflow. Remote exploitation of the attack is possible.

## Affected Products

- D-Link — DIR-878 (120B05)

## References

- [CNA](https://vuldb.com/vuln/403226)
- [CNA](https://vuldb.com/vuln/403226/cti)
- [CNA](https://vuldb.com/cve/CVE-2026-90693)
- [CNA](https://vuldb.com/submit/915573)
- [CNA](https://github.com/Amalll-Sec/router-vulnerability-research/blob/main/advisories/d-link/dir-878/SetWan3Settings/README.md)
- [CNA](https://www.dlink.com/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.47%
- **EPSS Percentile:** 39.8

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._