CVE-2026-17176

high

Description

An OS command injection vulnerability in the TDDP module of Deco BE11000 and Deco M9 Plus allows an adjacent network attacker to execute arbitrary commands with root privileges by sending a crafted UDP packet. Successful exploitation may lead to complete device compromise, including unauthorized command execution, modification of device settings, and loss of confidentiality, integrity, and availability

References

https://www.tp-link.com/us/support/download/deco-m9-plus/v2/#Firmware

https://www.tp-link.com/us/support/download/deco-be11000/#Firmware

https://www.tp-link.com/en/support/faq/5293/

https://www.tp-link.com/en/support/download/deco-m9-plus/v2/

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-75886

Details

Source: Mitre, NVD

Published: 2026-09-11

Updated: 2026-10-01

Risk Information

CVSS v2

Base Score: 8.3

Vector: CVSS2#AV:A/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

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

Severity: High

CVSS v4

Base Score: 7.7

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

Severity: High

EPSS

EPSS: 0.14992