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Vulnerabilities CVE-2026-8697

CVE-2026-8697

High
Open
TLP:CLEAR

Improper Authentication Rate Limiting on TP-Link's Archer C64

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Description

Due to improper enforcement of authentication rate-limiting on a debug SSH service in Archer C64 v1, the SSH service allows unlimited authentication attempts and uses the same credentials as the web interface. This enables an attacker to brute-force valid credentials via SSH. Successful exploitation could allow an attacker with adjacent network access to obtain administrative credentials through unrestricted authentication attempts and subsequently gain full administrative access to the device, impacting system confidentiality, integrity, and availability.

Details

CVSS Score
8.7
EPSS Score
0.51%

40.8th percentile

CVSS Vector
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Confidence
90%
Published
May 28, 2026
Last Modified
May 28, 2026
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