CVE-2026-30818HIGH 8.0EPSS p65.1%

CVE-2026-30818CVE-2026-30818

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.

Scoring

CVSS 3.18.0 (HIGH)
VectorCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS1.23% probability of exploitation · percentile 65.1% · 2026-06-19T12:03:05Z
Published2026-04-08
Last modified2026-05-07

Underlying weaknesses· 1

CWE-78

References

  1. https://talosintelligence.com/vulnerability_reports/
  2. https://www.tp-link.com/en/support/download/archer-ax53/v1/#Firmware
  3. https://www.tp-link.com/my/support/download/archer-ax53/v1/#Firmware
  4. https://www.tp-link.com/us/support/faq/5055/
  5. https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2306

1

TypeTargetConfidenceTier
WeaknessImproper Neutralization of Special Elements used in an OS Command ('OS Command Injection')cwe-780%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.