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CVE-2026-84682

HIGHCVSS 7.7/10EPSS 1.04%

Last modified

CVE-2026-84682 is a high-severity vulnerability rated 7.7/10 on the CVSS scale. 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.. EPSS estimates a 1.04% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 4.0
7.7/10

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability
1.04%

63.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
TP-Link Systems Inc.Archer AX90 v1< 1.1.4 Build 20260927

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-84682?
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.
How severe is CVE-2026-84682?
CVE-2026-84682 has a CVSS score of 7.7/10 (HIGH severity). The EPSS model estimates a 1.04% probability of exploitation in the next 30 days.
How do I fix CVE-2026-84682?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST