OS Command Injection in TP-Link Archer AX53 dnsmasq Module
CVE-2026-30818 is an OS command injection vulnerability in the dnsmasq module of TP-Link Archer AX53 v1.0. The flaw is caused by insufficient input validation when the device processes a specially crafted configuration file. An authenticated attacker on an adjacent network can exploit this condition to inject and execute arbitrary operating system commands in the context of the affected device. The issue affects TP-Link Archer AX53 v1.0 firmware versions prior to 1.7.1 Build 20260213.
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Impact, mitigation & remediation
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
Impact
What an attacker gets, and what they’ve been doing with it.
Mitigation
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Remediation
Patch, then assume compromise.
Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Affected products & vendors
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
Recent activity
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
The version that knows your environment.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.