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CVE-2021-27246

Quick assessment

Affected
TP-Link AC1750
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Tp-link TP-Link Archer A7 AC1750是中国普联（Tp-link）公司的一款无线路由器。 TP-Link Archer A7 AC1750 1.0.15 存在安全漏洞，该漏洞源于允许攻击者对受影响的路由器执行任意代码。

AI Predicted 9.8 Difficulty: Easy EPSS 6.60% · P94
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I. Basic Information for CVE-2021-27246

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link Archer A7 AC1750 1.0.15 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of MAC addresses by the tdpServer endpoint. A crafted TCP message can write stack pointers to the stack. An attacker can leverage this vulnerability to execute code in the context of the root user. Was ZDI-CAN-12306.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
TP-Link Archer A7 AC1750 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tp-link TP-Link Archer A7 AC1750是中国普联（Tp-link）公司的一款无线路由器。 TP-Link Archer A7 AC1750 1.0.15 存在安全漏洞，该漏洞源于允许攻击者对受影响的路由器执行任意代码。
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 AC1750 1.0.15 Build 20200628 rel.63501(4341) -

II. Public POCs for CVE-2021-27246

# POC Description Source Link Shenlong Link
1 None https://github.com/synacktiv/CVE-2021-27246_Pwn2Own2020 POC Details
2 None https://github.com/Threekiii/Awesome-POC/blob/master/%E7%BD%91%E7%BB%9C%E8%AE%BE%E5%A4%87%E6%BC%8F%E6%B4%9E/TP-Link%20AC1750%20%E9%A2%84%E8%AE%A4%E8%AF%81%E8%BF%9C%E7%A8%8B%E4%BB%A3%E7%A0%81%E6%89%A7%E8%A1%8C%E6%BC%8F%E6%B4%9E%20CVE-2021-27246.md POC Details
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III. Intelligence Information for CVE-2021-27246

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Vendor Advisories for CVE-2021-27246 (1)

IV. Related Vulnerabilities

Same product: AC1750
Same vendor: TP-Link
Same weakness: CWE-121

V. Comments for CVE-2021-27246

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