CVE-2026-86510
criticalA vulnerability has been found in D-Link DIR-822A A_101.
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.
CVSS
9.9
9.9 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (cna@vuldb.com)
Timeline (UTC)
Published: 2026-09-08 02:17
Modified: 2026-09-08 17:18
NVD status: Deferred
Last synced 1 day ago
Verified against the source API 2026-10-27 06:51 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://tzh00203.notion.site/D-Link-DIR-822A-L2TP-Host-Name-AVP-Out-of-Bounds-Write-33cb5c... cna@vuldb.com
- https://vuldb.com/cve/CVE-2026-86510 cna@vuldb.com
- https://vuldb.com/submit/906300 cna@vuldb.com
- https://vuldb.com/vuln/399663 cna@vuldb.com
- https://vuldb.com/vuln/399663/cti cna@vuldb.com
- https://www.dlink.com/ cna@vuldb.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:51 UTC · record ↗