CVE-2026-86297

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.

CVSS v3 8.1 HIGH
CVSS v2.0 7.6 HIGH

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.6^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:H/Au:N/C:C/I:C/A:C

Exploitability : 4.9 / Impact : 10.0

Access Vector NETWORK

Access Complexity HIGH

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://tzh00203.notion.site/D-Link-DIR-605-L2TP-Host-Name-AVP-Out-of-Bounds-Write-33cb5c52018a809ba163f988c15fc1b7
https://vuldb.com/cve/CVE-2026-86297
https://vuldb.com/submit/906299
https://vuldb.com/vuln/399459
https://vuldb.com/vuln/399459/cti
https://www.dlink.com/

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-07 11:17

Updated : 2026-09-09 15:17

NVD link : CVE-2026-86297

Mitre link : CVE-2026-86297

CVE.ORG link : CVE-2026-86297

JSON object : View

Products Affected

No product.

CWE

CWE-189

Numeric Errors

CWE-193

Off-by-one Error

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