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CVE-2026-8697— Improper Authentication Rate Limiting on TP-Link's Archer C64

Quick assessment

Affected
TP-Link Systems Inc. Archer C64 v1.0
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TP-Link Archer C64是中国普联（TP-Link）公司的一款无线路由器。 TP-Link Archer C64 V1版本存在安全漏洞，该漏洞源于调试SSH服务身份验证速率限制执行不当，可能导致相邻网络攻击者通过暴力破解获取管理凭据。

AI Predicted 5.3 Difficulty: Easy EPSS 0.40% · P32

Affected Version Matrix 1

VendorProduct Version RangeStatus
TP-Link Systems Inc. Archer C64 v1.0 < 1.15.0 Build 250729 Rel.63489n(4555) affected
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I. Basic Information for CVE-2026-8697

Vulnerability Information
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Vulnerability Title
Improper Authentication Rate Limiting on TP-Link's Archer C64
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
使用候选路径或通道进行的认证绕过
Source: CVE Program / CVE List V5
Vulnerability Title
TP-Link Archer C64 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TP-Link Archer C64是中国普联（TP-Link）公司的一款无线路由器。 TP-Link Archer C64 V1版本存在安全漏洞，该漏洞源于调试SSH服务身份验证速率限制执行不当，可能导致相邻网络攻击者通过暴力破解获取管理凭据。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
TP-Link Systems Inc. Archer C64 v1.0 0 ~ 1.15.0 Build 250729 Rel.63489n(4555) -

II. Public POCs for CVE-2026-8697

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III. Intelligence Information for CVE-2026-8697

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Vendor Advisories for CVE-2026-8697 (1)

Vendor Pages for CVE-2026-8697 (1)

IV. Related Vulnerabilities

Same vendor: TP-Link Systems Inc.
Same weakness: CWE-288

V. Comments for CVE-2026-8697

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