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Vulnerability record · CVE-2026-9254 · published 24 August 2026

CVE-2026-9254: OS command injection vulnerability

An unauthenticated OS command injection vulnerability exists in the parental control functionality of Archer BE800 V1, BE3600 V1, and AX75 V1 due to improper filtering and neutralization of special characters in certain parameters. A LAN-based attacker can inject arbitrary commands and execute them with root privileges. Successful exploitation may result in complete device compromise and impact the confidentiality, integrity, and availability of the affected device and network traffic.

8.7 CVSS 4.0 High EPSS 3.1% · top 12.9% CWE-78 · OS command injection Awaiting Analysis
8.7CVSS 4.0 base score
3.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
8References
28 Aug 2026Last modified by NVD

Description

An unauthenticated OS command injection vulnerability exists in the parental control functionality of Archer BE800 V1, BE3600 V1, and AX75 V1 due to improper filtering and neutralization of special characters in certain parameters. A LAN-based attacker can inject arbitrary commands and execute them with root privileges. Successful exploitation may result in complete device compromise and impact the confidentiality, integrity, and availability of the affected device and network traffic.

CVSS:4.0/AV:A/AC:L/AT:N/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:

References

LinkTags
https://www.tp-link.com/en/support/download/archer-ax75/v1/#Firmware
https://www.tp-link.com/en/support/download/archer-be3600/v1/#Firmware
https://www.tp-link.com/en/support/download/archer-be800/v1/#Firmware
https://www.tp-link.com/kr/support/download/archer-be3600/v1/#Firmware
https://www.tp-link.com/us/support/download/archer-ax75/v1/#Firmware
https://www.tp-link.com/us/support/download/archer-be3600/v1/#Firmware
https://www.tp-link.com/us/support/download/archer-be800/v1/#Firmware
https://www.tp-link.com/us/support/faq/5264/

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Source: NIST National Vulnerability Database (record CVE-2026-9254), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.