# CVE-2026-86296

## Summary

- **CVE ID:** CVE-2026-86296
- **Severity:** CRITICAL
- **CVSS Score:** 10 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P)
- **CWE:** CWE-121, CWE-119
- **Published:** Sep 7, 2026
- **Last Modified:** Sep 8, 2026

## Description

A vulnerability was determined in D-Link DIR-822A A_101. This vulnerability affects the function strcpy of the file udhcpcd/serverpacket.c of the component udhcpcd. This manipulation causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.

## Affected Products

- D-Link — DIR-822A (A_101)

## References

- [CNA](https://vuldb.com/vuln/399458)
- [CNA](https://vuldb.com/vuln/399458/cti)
- [CNA](https://vuldb.com/cve/CVE-2026-86296)
- [CNA](https://vuldb.com/submit/906297)
- [CNA](https://tzh00203.notion.site/D-Link-DIR-822A-Stack-Overflow-in-udhcpd-TR-111-Option-125-Parsing-33cb5c52018a80238b80e89e7c7c68f0)
- [CNA](https://www.dlink.com/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 1.35%
- **EPSS Percentile:** 69.6

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