CVE-2026-10259
CWE-119Published: June 1, 2026· Updated: Jun 1, 2026
Official Description
A security vulnerability has been detected in H3C Magic B0 up to 100R002. The affected element is the function SetMobileAPInfoById of the file /goform/aspForm. Such manipulation of the argument param leads to stack-based buffer overflow. The attack may be performed from remote. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Technical Analysis
CVE-2026-10259 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.
From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.
CVSS v3.1 Vector Breakdown
Exploit & PoC Resources
All References (6)
Quick Facts
Related CVEs (CWE-119)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-10259 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts