RCE in TP-Link Archer Ax53
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. 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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.018 (78.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.018 · change: +0.006
Affected products
- TP-Link Archer Ax53 — versions 1.0
- TP-Link Archer Ax53 Firmware
- TP-Link Systems Inc. Ax53 V1.0 — versions 0
Weakness classification (CWE)
References
- f23511db-6c3e-4e32-a477-6aa17d310630 (Product, patch)
- f23511db-6c3e-4e32-a477-6aa17d310630 (Product, patch)
- f23511db-6c3e-4e32-a477-6aa17d310630 (Third Party Advisory, third-party-advisory)
- f23511db-6c3e-4e32-a477-6aa17d310630 (vendor-advisory, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2026-30818?
- CVE-2026-30818 is a high-severity vulnerability in TP-Link Archer Ax53, classified under OS Command Injection. CVSS score: 8.0/10. Published 2026-04-08.
- How severe is CVE-2026-30818?
- High severity. CVSS v3 base score is 8.0 out of 10.