CVE-2026-86296

CRITICALCVSS 10.0

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.

Timeline

Published:September 7th, 2026 11:17 AM

Last modified:September 8th, 2026 5:18 PM

CVSS Scoring

CVSS v3: 10.0 (CRITICAL)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CVSS v2: 10.0

Weaknesses (CWE)

CWE-119 CWE-121

References & Reports

Advisories, patches, and third-party reports

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

Source: NIST NVD · Data may lag official sources by up to one minute