Tenda i12 1.0.0.6(2204) /goform/exeCommand vos_strcpy cmdinput stack-based overflow

Summaryinfo

A vulnerability identified as critical has been detected in Tenda i12 1.0.0.6(2204). The affected element is the function vos_strcpy of the file /goform/exeCommand. This manipulation of the argument cmdinput causes stack-based overflow. This vulnerability appears as CVE-2026-4041. The attack may be initiated remotely. In addition, an exploit is available.

Detailsinfo

A vulnerability has been found in Tenda i12 1.0.0.6(2204) and classified as critical. Affected by this vulnerability is the function vos_strcpy of the file /goform/exeCommand. The manipulation of the argument cmdinput with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-4041. The exploitation appears to be easy. The attack can be launched remotely. Technical details and also a public exploit are known.

It is possible to download the exploit at github.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Router Operating System

Vendor

• Tenda

Name

• i12

Version

• 1.0.0.6(2204)

License

• commercial

Website

• Vendor: https://www.tenda.com.cn/

CPE 2.3info

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CPE 2.2info

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Submitinfo

Accepted

• Submit #769462: Tenda i12 V1.0.0.6(2204) Buffer Overflow (by Jimi)

Duplicate

• Submit #XXXXXX: Xxxxx Xxx Xx.x.x.xx(xxxx) Xxxxx-xxxxx Xxxxxx Xxxxxxxx (by LtzHust)

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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