High severity · published Aug 20, 2026
CVE-2026-77031
Tenda CH22 formcreateFileName command injection
7.4
CVSS
2.7%
EPSS
No
On KEV
Description
A vulnerability has been found in Tenda CH22 1.0.0.1. The affected element is the function formcreateFileName of the file /goform/formcreateFileName. The manipulation of the argument fileNameMit leads to command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)2.7% · higher than 86% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CH
CH22 · Tenda
1.0.0.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-77031
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-77031
candle-throne-f75.notion.site
https://candle-throne-f75.notion.site/Tenda-CH22-formcreateFileName-392df0aa118580c38c4ad15fb15cd30d
vuldb.com
https://vuldb.com/cve/CVE-2026-77031
vuldb.com
https://vuldb.com/submit/880667
vuldb.com
https://vuldb.com/vuln/393642
vuldb.com
https://vuldb.com/vuln/393642/cti
www.tenda.com.cn
https://www.tenda.com.cn/
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