CVE-2026-15543— Tenda CH22 CertListInfo formCertListInfo buffer overflow
Quick assessment
Affected
Tenda CH22
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.
Tenda ch22 firmware是中国Tenda公司的一款路由器固件。 Tenda ch22 firmware 1.0.0.1版本存在缓冲区错误漏洞，该漏洞源于文件/goform/CertListInfo中的formCertListInfo函数对参数Name的操作导致缓冲区溢出，攻击者可能利用此漏洞远程发起攻击。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-15543
Vulnerability Information
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Vulnerability Title
Tenda CH22 CertListInfo formCertListInfo buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Tenda CH22 1.0.0.1. This impacts the function formCertListInfo of the file /goform/CertListInfo. The manipulation of the argument Name results in buffer overflow. The attack can be launched remotely. The exploit has been made public and could be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
Tenda ch22 firmware 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda ch22 firmware是中国Tenda公司的一款路由器固件。 Tenda ch22 firmware 1.0.0.1版本存在缓冲区错误漏洞，该漏洞源于文件/goform/CertListInfo中的formCertListInfo函数对参数Name的操作导致缓冲区溢出，攻击者可能利用此漏洞远程发起攻击。
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
II. Public POCs for CVE-2026-15543
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Security Blog Posts for CVE-2026-15543 (1)
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🔗 candle-throne-f75.notion.site exploit
IV. Related Vulnerabilities
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V. Comments for CVE-2026-15543
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