Vulnerability · Published Sep 24, 2026 · Assigned by VulDB
CVE-2026-96891D-Link DIR-825 rp-l2tp tunnel.c tunnel_set_params out-of-bounds write
Critical 9.8
In plain English
A critical-severity out-of-bounds write in DIR-825 from D-Link. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 51% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.7%top 48.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A vulnerability was identified in D-Link DIR-825 3.00b32. Affected is the function tunnel_set_params of the file tunnel.c of the component rp-l2tp. The manipulation of the argument peer_hostname leads to out-of-bounds write. The attack may be initiated remotely.
Affected products (as reported)
Weakness: CWE-787, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R
References
- VDB-409134 | D-Link DIR-825 rp-l2tp tunnel.c tunnel_set_params out-of-bounds write vdb-entry, technical-description
- VDB-409134 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-96891 | CVE Analysis and Report third-party-advisory
- Submit #906301 | D-Link DIR-825 C1_FW3.00b32 C1_FW3.00b32 Out-of-bounds Write third-party-advisory
- https://tzh00203.notion.site/D-Link-DIR-825-L2TP-Host-Name-AVP-Out-of-Bounds-Write-33cb5c52018a80458ffec58b62096940 related
- https://www.dlink.com/ product