High 7.3Published Apr 8, 2026

CVE-2026-30814Buffer Overflow Vulnerability in TP-Link AX53

Updated under an hour ago (Oct 28, 2026, 4:10 PM ET)

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It affects TP-Link Systems Inc. AX53 v1.0 and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for TP-Link Systems Inc. AX53 v1.0

Exploited in the last 30 days

A stack-based buffer overflow in the tmpServer module of TP-Link Archer AX53 v1.0 allows an authenticated adjacent attacker to trigger a segmentation fault and potentially execute arbitrary code via a specially crafted configuration file. Successful exploitation may cause a crash and could allow arbitrary code execution, enabling modification of device state, exposure of sensitive data, or further compromise of device integrity. This issue affects AX53 v1.0: before 1.7.1 Build 20260213.

CVSS: 7.3 HIGH (v4.0, CNA)CVSS:4.0/AV:A/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L
Weakness (CWE): CWE-121
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: TPLink
NVD analysis: Modified
Record last updated: May 7, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

TP-Link Systems Inc. AX53 v1.0 tp_link_systems:ax53_v1.0 (from the name)	before 1.7.1 Build 20260213	CNA record
tp-link archer_ax53_firmware tp-link:archer_ax53_firmware	before 1.7.1	NVD

References

References

https://www.tp-link.com/my/support/download/archer-ax53/v1/#Firmware	patch, product
https://www.tp-link.com/en/support/download/archer-ax53/v1/#Firmware	patch, product
https://talosintelligence.com/vulnerability_reports/	third-party-advisory
https://www.tp-link.com/us/support/faq/5055/	vendor-advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2302

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.