PT-2026-127146
CVE-2026-102812
·
Published
2026-10-27
·
Updated
2026-10-27
Description by
CVSS 4.0
6.9
MediumMetricsAV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/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
A hard-coded
cryptographic key vulnerability exists in the user-configuration backup
mechanism of TP-Link RE305 V3 and Archer C7 V5. A fixed AES-128 key and
initialization vector are embedded in the firmware configuration-management
component. An attacker who obtains an affected configuration backup file may
extract the cryptographic material from the firmware and use it to decrypt the
backup.
Successful
exploitation may disclose sensitive configuration information contained in a
backup file, including administrator passwords and Wi-Fi credentials.
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