Vulnerability · Published Sep 27, 2026 · Assigned by VulDB
CVE-2026-100740D-Link DIR-895L L2TP Control Channel tunnel.c tunnel_set_params out-of-bounds write
Critical 9.9
In plain English
A critical-severity out-of-bounds write in DIR-895L from D-Link. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 51% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Official description
A vulnerability was detected in D-Link DIR-895L A1_102b07. Impacted is the function tunnel_set_params of the file tunnel.c of the component L2TP Control Channel Parser. Performing a manipulation results in out-of-bounds write. The attack may be initiated remotely. The exploit is now public and may be used.
Affected products (as reported)
Weakness: CWE-787, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
References
- VDB-410614 | D-Link DIR-895L L2TP Control Channel tunnel.c tunnel_set_params out-of-bounds write vdb-entry, technical-description
- VDB-410614 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-100740 | CVE Analysis and Report third-party-advisory
- Submit #906303 | D-Link DIR895LA1_102b07 A1_102b07 Out-of-bounds Write third-party-advisory
- https://tzh00203.notion.site/D-Link-DIR-895L-L2TP-Host-Name-AVP-Out-of-Bounds-Write-33cb5c52018a8061b139cacc39d58fff exploit
- https://www.dlink.com/ product