High 7.7Published Oct 1, 2026

CVE-2026-84682TDDPv2 setProductVer Command Injection in Archer AX90

Updated under an hour ago (2026-10-19 08:50 UTC)

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It affects TP-Link Systems Inc. Archer AX90 v1. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 1.04%, higher than 63% of scored CVEs.

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Every CVE for TP-Link Systems Inc. Archer AX90 v1

Exploited in the last 30 days

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.

CVSS: 7.7 HIGH (v4.0, CNA)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
Weakness (CWE): CWE-78
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 1.04% (percentile 63)
Assigned by: TPLink
NVD analysis: Deferred
Record last updated: Oct 2, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

TP-Link Systems Inc. Archer AX90 v1 tp_link_systems:archer_ax90_v1 (from the name)	before 1.1.4 Build 20260927	CNA record

References

https://www.tp-link.com/us/support/download/archer-ax90/v1/#Firmwarepatch
https://www.tp-link.com/en/support/download/archer-ax90/v1/#Firmwarepatch
https://www.tp-link.com/us/support/faq/5323/vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.