CVE-2026-9030Authenticated Denial-of-Service in HTTPD Service in TP-Link Archer A6
Updated under an hour ago ()
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It affects TP-Link Systems Inc. Archer A6 v4. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 6.8 MEDIUM (v4.0, CNA)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
- Weakness (CWE)
- CWE-362
- 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
- Awaiting Analysis
- Record last updated
- Aug 10, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
TP-Link Systems Inc. Archer A6 v4 tp_link_systems:archer_a6_v4 (from the name) | before V4_1.15.10 Build 260625 Rel.25447 | CNA record |
References
- https://www.tp-link.com/us/support/download/archer-a6/v4/#Firmwarepatch
- https://www.tp-link.com/en/support/download/archer-a6/v4/#Firmwarepatch
- https://www.tp-link.com/en/support/faq/5234/vendor-advisory
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.