CVE-2026-86296

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.

Score

CVSS 4.0 10.0 Critical

Status

Deferred - cna@vuldb.com

Published

2026-09-07

Last modified

2026-09-08

Weaknesses

CWE-119, CWE-121

Affected products

• Dir-822a (D-link)

References

• https://tzh00203.notion.site/D-Link-DIR-822A-Stack-Overflow-in-udhcpd-TR-111-Option-125-Parsing-33cb5c52018a80238b80e89…
• 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/