CVE-2026-84682: TDDPv2 setProductVer Command Injection in Archer AX90
Vulnerability summary
CVE-2026-84682 is a high (CVSS 7.7) OS Command Injection vulnerability in tp-link systems inc. archer ax90 v1. EPSS estimates a 1.04% chance of exploitation in the next 30 days, higher than 63.7% of scored vulnerabilities.
Timeline
- 01-10-2026PublishedVulnerability first disclosed.
- 02-10-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST7.7HighCVSS: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 trend
Probability
1.04%
Chance of exploitation in the next 30 days
Percentile
64%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Tp-link systems inc.1 product
- archer ax90 v1< 1.1.4 Build 20260927
1 vendor · 1 product
References
3 links- www.tp-link.com/us/support/faq/5323/Vendor Advisory