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I. Basic Information for CVE-2021-27342
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An authentication brute-force protection mechanism bypass in telnetd in D-Link Router model DIR-842 firmware version 3.0.2 allows a remote attacker to circumvent the anti-brute-force cool-down delay period via a timing-based side-channel attack
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
D-Link Router 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link Router是中国友讯（D-Link）公司的一个应用WIFI路由器。提供连接网络功能。 D-Link Router model DIR-842 firmware version 3.0.2 存在安全漏洞，该漏洞允许远程攻击者通过基于时间的侧信道攻击来绕过反蛮力冷却延迟时间。
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
VendorProductAffected VersionsCPESubscribe
-n/a n/a -
II. Public POCs for CVE-2021-27342
#POC DescriptionSource LinkShenlong Link
1Exploit for CVE-2021-27342 vulnerability (telnet authentication brute-force protection bypass)https://github.com/mavlevin/D-Link-CVE-2021-27342-exploitPOC Details
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III. Intelligence Information for CVE-2021-27342
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IV. Related Vulnerabilities
Same product: n/a
Same vendor: n/a
V. Comments for CVE-2021-27342

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