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CVE-2026-17176

OS Command Injection Vulnerability in Deco Devices

HIGH
7.7
CVSS Score
Published: September 10, 2026 at 11:14 PM UTC
Updated: October 1, 2026 at 06:17 PM UTC
2 products affected across 1 vendorDeco M9 PlusDeco BE11000

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Severity
HIGH7.7
Exploit prediction
EPSS 15%
SSVC
No known exploit

Description

An OS command injection vulnerability in the TDDP module of Deco BE11000 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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Deco BE11000· TP-Link
60%
v < 1.3.5 Build 26071712
Affected range stops below 1.3.5 Build 26071712, so it looks safe — our inference, not a vendor statement
Deco M9 Plus· TP-Link
60%
v < 1.9.2 Build 20260818
Affected range stops below 1.9.2 Build 20260818, so it looks safe — our inference, not a vendor statement

References (4)

Patch
Source: cverecord
https://www.tp-link.com/us/support/download/deco-be11000/#Firmware
Vendor Advisory
Source: cverecord
https://www.tp-link.com/en/support/faq/5293/
Patch
Source: cverecord
https://www.tp-link.com/en/support/download/deco-m9-plus/v2/
Patch
Source: cverecord
https://www.tp-link.com/us/support/download/deco-m9-plus/v2/#Firmware

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.7HIGHTPLink
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-78

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