H3C Magic B0 up to 100R002 /goform/aspForm SetMobileAPInfoById param stack-based overflow

Summaryinfo

A vulnerability marked as critical has been reported in H3C Magic B0 up to 100R002. The impacted element is the function SetMobileAPInfoById of the file /goform/aspForm. Performing a manipulation of the argument param results in stack-based overflow. This vulnerability is cataloged as CVE-2026-10259. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability was found in H3C Magic B0 up to 100R002. It has been classified as critical. This affects the function SetMobileAPInfoById of the file /goform/aspForm. The manipulation of the argument param 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 github.com. This vulnerability is uniquely identified as CVE-2026-10259. 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 github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

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

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Productinfo

Vendor

• H3C

Name

• Magic B0

Version

• 100R002

License

• commercial

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

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Threat Intelligenceinfo

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Timelineinfo

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Entryinfo

Submitinfo

Accepted

• Submit #824402: H3C Magic B0 <=100R002 Buffer Overflow (by Zheng)

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