CVE-2026-9030
TP-Link · published 2026-08-07
Source record Collected from the National Vulnerability Database (NVD)
Description
Description by TPLink via the CVE Program.
A denial-of-service vulnerability exists in httpd service on Archer A6 v4 where the asynchronous systool instruction handlng path in httpd does not properly synchronize or safely manage concurrent systool operations. By sending crafted systool instructions through the asynchronous request path, successful exploitation may cause the httpd process or device management service to crash and may result in temporary loss of access to the web management interface or device reboot.
Status at the source
- NVD status: Awaiting Analysis — NVD has not analysed this CVE.
Affected products, as the source lists them
| Vendor | Product | Versions |
|---|---|---|
| TP-Link Systems Inc. | Archer A6 v4 | 0 – before V4_1.15.10 Build 260625 Rel.25447: affected |
DeSpy has not checked any unit, hardware revision or firmware. A product missing here is not a statement that it is unaffected.
Scores, as their sources published them
- CVSS 4.0: 6.8 MEDIUM — as published by TPLink (Secondary)
CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - SSVC — CISA's assessment (SSVC 2.0.3, CISA Coordinator): Exploitation: none · Automatable: no · Technical impact: partial
DeSpy does not score records. These are the sources' own values.
Weaknesses
Sources
References the source lists
- https://www.tp-link.com/en/support/download/archer-a6/v4/#Firmware
- https://www.tp-link.com/en/support/faq/5234/
- https://www.tp-link.com/us/support/download/archer-a6/v4/#Firmware
Source dates: published 2026-08-07, last changed 2026-08-18. DeSpy's copy of this version is dated 2026-09-28.
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