CVE-2026-30818An 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…
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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
- 8.0 HIGH (v3.1, NVD)CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-78
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Modified
- Record last updated
- Jul 25, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
tp-link archer_ax53_firmware tp-link:archer_ax53_firmware | before 1.7.1 | NVD |
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
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.