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CVE-2026-86297 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

A vulnerability was identified in D-Link DIR-605 B1v202WWB03. This issue affects the function tunnel_set_params of the file progs.gpl/pppd.alpha/l2tp/tunnel.c of the component L2TP Control Message Parser. Such manipulation of the argument peer_hostname leads to off-by-one. The attack may be performed from remote. Attacks of this nature are highly complex. The exploitability is assessed as difficult. The exploit is publicly available and might be used.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CNA: [email protected]CVSS-B:8.1 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://tzh00203.notion.site/D-Link-DIR-605-L2TP-Host-Name-AVP-Out-of-Bounds-Write-33cb5c52018a809ba163f988c15fc1b7	[email protected]
https://vuldb.com/cve/CVE-2026-86297	[email protected]	AdvisoryPermission Required
https://vuldb.com/submit/906299	[email protected]	Issue TrackingPermission Required
https://vuldb.com/vuln/399459	[email protected]	Content Wall
https://vuldb.com/vuln/399459/cti	[email protected]	Content Wall
https://www.dlink.com/	[email protected]	Vendor

see all 6 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-189	Numeric Errors	[email protected]
CWE-193	Off-by-one Error	[email protected]

Affected Products

Product	Versions
D-Link DIR-605	B1v202WWB03
CPE cpe:2.3:o:dlink:dir-605l_firmware:::::::: cpe:2.3:h:dlink:dir-605l:::::::: cpe:2.3:h:d-link:dir-605l:::::::: cpe:2.3:o:d-link:dir-605l_firmware:::::::: cpe:2.3:h:dlink:dir-605l_model_b:::::::: cpe:2.3:o:dlink:dir-605l_model_b_firmware:::::::: Remediation No remediation found in references.

Change History

2 change records found show changes

Date	Action	Recorded By
Sep 9, 2026	CVE Modified	CISA-ADP
Sep 7, 2026	New CVE Received	[email protected]