CVE-2026-71954 PUBLISHED

D-Link DWR-M961 Command Injection via /boafrm/formL2tpv3ConfigSetup

Assigner: VulnCheck
Reserved: 08.08.2026 Published: 08.08.2026 Updated: 08.08.2026

D-Link DWR-M961 devices with hardware version C1 and firmware version before 1.1.5_C1_202607071108 contain a command injection vulnerability in the /boafrm/formL2tpv3ConfigSetup interface. A remote attacker can inject arbitrary malicious commands into the tunnelid and sessionid fields, resulting in command execution with root privileges.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS Score: 9.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 9.8

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	D-Link Corporation
Product	DWR-M961
Versions	Default: affected affected from 0 to 1.1.5_C1_202607071108 (excl.)

Credits

Jincheng Wang (@winmt), Professor Le Yu of Nanjing University of Posts and Telecommunications, and Professor Xiapu Luo of The Hong Kong Polytechnic University finder

References

Problem Types

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') CWE