CVE-2026-30818: high-severity vulnerability in TP-Link Systems Inc. AX53 v1.0
OS Command Injection Vulnerability in dnsmasq Module in TP-Link AX53
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.5epss 1.3%
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.
CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L
Affected products
TP-Link Systems Inc. · AX53 v1.0Related CVEs — TP-Link Systems Inc. AX53 v1.0
In the same product, most dangerous first.
CVE-2026-30815HIGHOS Command Injection Vulnerability in OpenVPN Module in TP-Link AX53EPSS 1.6%CVE-2026-30814HIGHBuffer Overflow Vulnerability in TP-Link AX53EPSS 0.4%CVE-2026-30817MEDIUMArbitrary File Reading Vulnerability in dnsmasq Module in TP-Link AX53EPSS 0.4%CVE-2026-30816MEDIUMArbitrary File Reading Vulnerability in OpenVPN Module in TP-Link AX53EPSS 0.3%
References
https://talosintelligence.com/vulnerability_reports/https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2306https://www.tp-link.com/en/support/download/archer-ax53/v1/#Firmwarehttps://www.tp-link.com/my/support/download/archer-ax53/v1/#Firmwarehttps://www.tp-link.com/us/support/faq/5055/