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Description

An OS command injection vulnerability in the dnsmasq module of TP-Link Archer AX53 v1.0 allows an authenticated adjacent attacker to execute arbitrary code when a specially crafted configuration file is processed due to insufficient input validation. Successful exploitation may allow the attacker to modify device configuration, access sensitive information, or further compromise system integrity. This issue affects AX53 v1.0: before 1.7.1 Build 20260213.

PUBLISHED Reserved 2026-03-05 | Published 2026-04-08 | Updated 2026-04-09 | Assigner TPLink




HIGH: 8.5CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L

Problem types

CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')

Product status

Default status
unaffected

Any version before 1.7.1 Build 20260213
affected

Credits

Lilith >_> of Cisco Talos reporter

References

www.tp-link.com/my/support/download/archer-ax53/v1/ patch

www.tp-link.com/en/support/download/archer-ax53/v1/ patch

talosintelligence.com/vulnerability_reports/ third-party-advisory

www.tp-link.com/us/support/faq/5055/ vendor-advisory

cve.org (CVE-2026-30818)

nvd.nist.gov (CVE-2026-30818)

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