PT-2026-86569

CVE-2026-86296

Published

2026-09-06

Updated

2026-09-25

Description by

CVSS 3.1

Critical

MetricsAV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions D-Link DIR-822A version A 101

Description A stack-based buffer overflow exists in the udhcpcd component. The issue occurs within the strcpy() function located in the udhcpcd/serverpacket.c file. This flaw allows a remote, unauthenticated attacker to trigger the overflow without any user interaction.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploitability

Exploit

Impacts

Researchers

Vendors

Affected products

Weakness enumeration

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-121: Stack-based Buffer Overflow

Related identifiers

CVE-2026-86296