CVE-2026-100740 — D-Link DIR-895L L2TP Control Channel tunnel.c tunnel_set_params out-of-bounds write

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CRITICAL

D-Link DIR-895L L2TP Control Channel tunnel.c tunnel_set_params out-of-bounds write

Published Sep 27, 2026

9.4

CRITICAL

CVSS 4.0

EPSS 0.45%

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

Vendor D-Link Product DIR-895L Default
n/a
- Version
  A1_102b07
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

D-Link

DIR-895L

n/a

Version	Status	Constraints
A1_102b07	affected	-

Remediation

No remediation recorded yet.

Metrics

Weaknesses (2)

CWE-119

Buffer Overflow

CWE-787

Out-of-bounds Write

References (6)

https://tzh00203.notion.site/D-Link-DIR-895L-L2TP-Host-Name-AVP-Out-of-Bounds-Write-33cb5c52018a8061b139cacc39d58fff
exploit
https://vuldb.com/cve/CVE-2026-100740
third-party-advisory
https://vuldb.com/submit/906303
third-party-advisory
https://vuldb.com/vuln/410614
vdb-entrytechnical-description
https://vuldb.com/vuln/410614/cti
signaturepermissions-required
https://www.dlink.com/
product

Link	Providers	Tags
https://tzh00203.notion.site/D-Link-DIR-895L-L2TP-Host-Name-AVP-Out-of-Bounds-Write-33cb5c52018a8061b139cacc39d58fff		exploit
https://vuldb.com/cve/CVE-2026-100740		third-party-advisory
https://vuldb.com/submit/906303		third-party-advisory
https://vuldb.com/vuln/410614		vdb-entrytechnical-description
https://vuldb.com/vuln/410614/cti		signaturepermissions-required
https://www.dlink.com/		product