Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-86296
D-Link DIR-822A udhcpcd serverpacket.c strcpy stack-based overflow
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N L N N N H H H 9.3 .0170 76.4 —
AFFECTED
Product Versions Fixed
DIR-822A A_101 – —
TIMELINE
Sep 6 Reserved by VulDB
Sep 7 Published (CNA: VulDB)
Sep 8 EXPLOIT PUBLISHED — CVE-2026-86296 (D-Link DIR-822A). Public exploit reference added.
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.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| September 6, 2026 | Reserved | Reserved by VulDB |
| September 7, 2026 | Published | Published (CNA: VulDB) |
| September 8, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-86296 (D-Link DIR-822A). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| D-Link | DIR-822A | — | A_101 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-86296 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.