CVE-2026-30818
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.23%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 4.0
- 8.5 HIGHCVSS:4.0/AV:A/AC:L/AT:N/PR:H/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/M
- EPSS
- 1.23% probability · 67th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-78
- Affected
- tp-link/archer ax53 firmware
- Source
- f23511db-6c3e-4e32-a477-6aa17d310630
References
- https://talosintelligence.com/vulnerability_reports/Third Party Advisory
- https://www.tp-link.com/en/support/download/archer-ax53/v1/#FirmwareProduct
- https://www.tp-link.com/my/support/download/archer-ax53/v1/#FirmwareProduct
- https://www.tp-link.com/us/support/faq/5055/Vendor Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2306
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.