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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| D-Link | DIR-605 | B1v202WWB03 | — |
References
- VDB-399459 | D-Link DIR-605 L2TP Control Message tunnel.c tunnel_set_params off-by-one vdb-entry technical-description
- VDB-399459 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- CVE-2026-86297 | CVE Analysis and Report third-party-advisory
- Submit #906299 | D-Link DIR605 B1v202WWB03 B1v202WWB03 Out-of-bounds Write third-party-advisory
- https://tzh00203.notion.site/D-Link-DIR-605-L2TP-Host-Name-AVP-Out-of-Bounds-Write-33cb5c52018a809ba163f988c15fc1b7 exploit
- https://www.dlink.com/ broken-link product