CVE-2026-30818
High
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.
SeverityHigh
CVSS8.0
Exploit probability—
Product
Tp-link Archer Ax53 Firmware
PublishedApr 8, 2026
First seenApr 8, 2026
Weakness typeCWE-78OS command injection
How to fix
Update
- tp-link archer_ax53_firmware1.7.1 or later
Patches
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| tp-link archer_ax53_firmware | v < 1.7.1 | 1.7.1 |
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