CVE-2026-8697CWE-288

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

High · published May 28, 2026

CVSS v4.0
8.7
EPSS
0%
Percentile
32.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.7 · HIGH
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
EPSS
0.00398 · 32.9th percentile
Weakness
CWE-288 · Authentication Bypass Using an Alternate Path or Channel
Published
2026-05-28T15:45Z
EPSS history
Timeline
  • 28 MAY 15:45Z
    Improper Authentication Rate Limiting on TP-Link's Archer C64
    cvelistv5