CVE-2026-86297

HIGHCVSS 8.1

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.

Timeline

Published:September 7th, 2026 11:17 AM

Last modified:September 7th, 2026 11:17 AM

CVSS Scoring

CVSS v3: 8.1 (HIGH)

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2: 7.6

Weaknesses (CWE)

CWE-189 CWE-193

References & Reports

Advisories, patches, and third-party reports

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/

Source: NIST NVD · Data may lag official sources by up to one minute