CVE-2026-86510

EUVD-2026-72609
A vulnerability has been found in D-Link DIR-822A A_101. Affected is the function tunnel_set_params of the component L2TP Control Message Parser. Such manipulation leads to out-of-bounds write. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.9 CRITICAL
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 38.56%
Common Weakness Enumeration
References
https://tzh00203.notion.site/D-Link-DIR-822A-L2TP-Host-Name-AVP-Out-of-Bounds-Write-33cb5c52018a80a7af5fdc1af3d5aa73
https://vuldb.com/cve/CVE-2026-86510
https://vuldb.com/submit/906300
https://vuldb.com/vuln/399663
https://vuldb.com/vuln/399663/cti
https://www.dlink.com/