Tenda AC15 15.03.05.19_multi HTTP POST Request /goform/SetRemoteWebCfg formSetSafeWanWebMan remoteIp stack-based overflow

Summaryinfo

A vulnerability marked as critical has been reported in Tenda AC15 15.03.05.19_multi. This impacts the function formSetSafeWanWebMan of the file /goform/SetRemoteWebCfg of the component HTTP POST Request Handler. Performing a manipulation of the argument remoteIp results in stack-based overflow. This vulnerability is known as CVE-2025-5849. Remote exploitation of the attack is possible. Furthermore, an exploit is available.

Detailsinfo

A vulnerability was found in Tenda AC15 15.03.05.19_multi. It has been classified as critical. This affects the function formSetSafeWanWebMan of the file /goform/SetRemoteWebCfg of the component HTTP POST Request Handler. The manipulation of the argument remoteIp with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as 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). This is going to have an impact on confidentiality, integrity, and availability.

It is possible to read the advisory at candle-throne-f75.notion.site. This vulnerability is uniquely identified as CVE-2025-5849. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details and a public exploit are known.

The exploit is shared for download at candle-throne-f75.notion.site. 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.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-17415). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Router Operating System

Vendor

• Tenda

Name

• AC15

Version

• 15.03.05.19_multi

License

• commercial

Website

• Vendor: https://www.tenda.com.cn/

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

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Threat Intelligenceinfo

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Entryinfo

Submitinfo

Accepted

• Submit #591375: Tenda AC15 V1.0 V15.03.05.19_multi stack overflow (by ysnysn)

Duplicate

• Submit #XXXXXX: Xxxxx Xxxx Xx.x Xxx.xx.xx.xx_xxxxx Xxxxxx Xxxxxxxx (by wxhwxhwxh_)

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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