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The vulnerability of H3C Magic B3 network devices’ microprogramming software lies in the copying of buffers without checking the size of the input data. This allows a malicious actor to execute arbitrary code.

🗓️ 20 Feb 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 1 Views

Magic B3 network devices' microprogramming software has a buffer copy vulnerability that ignores input size checks, enabling remote arbitrary code execution.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2025-10942
25 Sep 202514:32
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CNNVD
H3C Magic B3 安全漏洞
25 Sep 202500:00
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CVE-2025-10942
25 Sep 202511:02
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Cvelist
CVE-2025-10942 H3C Magic B3 aspForm EditMacList buffer overflow
25 Sep 202511:02
cvelist
EUVD
EUVD-2025-31079
3 Oct 202520:07
euvd
NVD
CVE-2025-10942
25 Sep 202511:15
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Positive Technologies
PT-2025-39361
25 Sep 202500:00
ptsecurity
RedhatCVE
CVE-2025-10942
26 Sep 202511:42
redhatcve
Vulnrichment
CVE-2025-10942 H3C Magic B3 aspForm EditMacList buffer overflow
25 Sep 202511:02
vulnrichment
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20 Feb 2026 00:00Current
6Medium risk
Vulners AI Score6
CVSS 38.8
CVSS 29
EPSS0.00731
1