Vulnerability in D-Link Dir-605
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 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- D-link Dir-605 — versions B1v202WWB03
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (exploit)
- cna@vuldb.com (product, broken-link)
Frequently asked questions
- What is CVE-2026-86297?
- CVE-2026-86297 is a high-severity vulnerability in D-Link Dir-605, classified under CWE-189. CVSS score: 8.1/10. Published 2026-09-07.
- How severe is CVE-2026-86297?
- High severity. CVSS v3 base score is 8.1 out of 10.