CVE-2026-84682

What it is

A command injection vulnerability exists in the TDDPv2 service (/usr/bin/tddp) on Archer AX90 V1. An unauthenticated adjacent-network attacker can exploit the setProductVer command handler to execute arbitrary operating system commands as root during device boot.  Successful exploitation may result in complete device compromise through arbitrary command execution with root privileges.

At a glance

Exploitability

Can be exploited from the same network segment without logging in. High risk of data exposure, data tampering, service disruption.

Exploit odds

1.2% chance of exploitation in the next 30 days (EPSS).

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2026-09-01 22:24 UTC ReservedThe CVE id was reserved by its CNA
2. 2026-10-01 19:17 UTC PublishedDisclosed publicly on CVE.org and NVD
3. 2026-10-23 17:17 UTC Last updatedMost recent change to the record

Details

Published

2026-10-01 19:17 UTC

Last modified

2026-10-23 17:17 UTC

Exploit probability

1.2% · EPSS, next 30 days

Weakness

CWE-78 · OS command injection

Record status

Deferred

Attack profile CVSS 4.0 · 7.7

Attack vector

Adjacent network

Complexity

Low

Attack requirements

Present

Privileges needed

None

User interaction

None

Confidentiality

High

Integrity

High

Availability

High