Vulnerability Intelligence Report
D-Link DIR-822A L2TP Control Message tunnel_set_params out-of-bounds write
CVE-2026-86510
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.
Memory Corruption
No Active Exploit Signals
CVSS Base Score
9.4
CRITICAL
EPSS Probability:0.46%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-787 ↗Out-of-bounds Write
CWE-119 ↗Memory Corruption
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| D-Link | DIR-822A | A_101 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | VulDB · Researcher · Switzerland |
| Reserved | 2026-09-07T18:44:07 |
| Published | 2026-09-08T01:15:08 |
| Last Updated | 2026-09-08T16:04:19 |
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