CVE-2026-18330
TP-Link · published 2026-09-03
Source record Collected from the National Vulnerability Database (NVD)
Description
Description by TPLink via the CVE Program.
A hard-coded cryptographic key vulnerability exists in the web module of TP-Link Archer AX55 v4. A LAN attacker who captures an HTTP login session may use the known shared RSA private key to decrypt the administrator password; the weakened AES session key further reduces the effort required to compromise session confidentiality. Successful exploitation may disclose the administrator password captured from an HTTP login session and compromise session confidentiality.
Status at the source
- NVD status: Deferred — NVD has not analysed this CVE.
Affected products, as the source lists them
| Vendor | Product | Versions |
|---|---|---|
| TP-Link Systems Inc. | Archer AX55 v4 | 0 – before 1.2.1 Build 20260527: 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: 6.1 MEDIUM — as published by TPLink (Secondary)
CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:L/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/us/support/download/archer-ax55/v4/#Firmware
- https://www.tp-link.com/us/support/faq/5279/
Source dates: published 2026-09-03, last changed 2026-09-08. DeSpy's copy of this version is dated 2026-09-28.
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