CVE-2025-9813
HighCVSS 8.8Exploitation Probability (EPSS)
Elevated risk57th percentile - higher than 57% of all known CVEs
Summary
A vulnerability was identified in Tenda CH22 1.0.0.1. The formSetSambaConf function in /goform/SetSambaConf is affected. Manipulation of the samba_userNameSda argument leads to a buffer overflow. The attack can be initiated remotely and the exploit is publicly available.
Risk Assessment
A remote attacker can use the publicly available exploit to trigger a buffer overflow, potentially leading to arbitrary code execution or device crash.
Recommendation
Update Tenda CH22 firmware to the latest version if available. Otherwise, consider disabling management interface access from untrusted networks.
Other vulnerabilities in Tenda CH22
See all- CVE-2025-15229Medium
A vulnerability has been found in Tenda CH22 up to 1.0.0.1. Affected is the function fromDhcpListClient of the file /goform/DhcpListClient. Manipulation of the argument LISTLEN leads to denial of service. The attack may be launched remotely. The exploit has been disclosed to the public.
- CVE-2026-78141High
A vulnerability in Tenda CH22 1.0.0.1 in the formexeCommand function of the /goform/exeCommand file. Manipulation of the cmdinput argument leads to command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
- CVE-2026-78063High
A security flaw was discovered in Tenda CH22 1.0.0.1. The function formeditFileName in /goform/editFileName is vulnerable to command injection via the editNameMit argument. The attack can be launched remotely and the exploit has been released publicly.
- CVE-2026-77031High
A vulnerability has been found in Tenda CH22 1.0.0.1 in the function formcreateFileName of the file /goform/formcreateFileName. Manipulation of the argument fileNameMit leads to command injection. The attack can be initiated remotely, and the exploit has been publicly disclosed.
- CVE-2026-19346High
A vulnerability in Tenda CH22 1.0.0.1 allows command injection in the formCertListInfo function of /goform/CertListInfo. Manipulating the Name argument enables remote command execution. The exploit is public.
- CVE-2026-15543High
A buffer overflow vulnerability was found in Tenda CH22 version 1.0.0.1 in the formCertListInfo function of the /goform/CertListInfo file. An attacker can remotely manipulate the Name argument, causing a buffer overflow. The exploit has been made public and could be used.
- CVE-2026-5605High
A stack-based buffer overflow vulnerability was identified in the Tenda CH22 device version 1.0.0.1 in the formWrlExtraSet function of the /goform/WrlExtraSet file. The attack can be performed remotely by manipulating the GO argument. The exploit has been made public.
- CVE-2026-5604High
A security flaw has been discovered in Tenda CH22 1.0.0.1. This vulnerability affects the function formCertLocalPrecreate in the file /goform/CertLocalPrecreate, where manipulation of the standard argument leads to a stack-based buffer overflow. The attack can be launched remotely, and the exploit has been publicly released.
- CVE-2026-5204High
The Tenda CH22 router version 1.0.0.1 has a stack-based buffer overflow vulnerability in the formWebTypeLibrary function in /goform/webtypelibrary. Manipulating the webSiteId argument allows remote code execution. The exploit has been publicly disclosed.
- CVE-2025-12234High
A vulnerability has been found in Tenda CH22 1.0.0.1 affecting the fromSafeMacFilter function in the file /goform/SafeMacFilter. Manipulation of the page argument leads to a buffer overflow, and the attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
Original NVD description (English source)
A vulnerability was identified in Tenda CH22 1.0.0.1. This issue affects the function formSetSambaConf of the file /goform/SetSambaConf. The manipulation of the argument samba_userNameSda leads to buffer overflow. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

