High severity · published Sep 25, 2025
CVE-2025-10942
H3C Magic B3 aspForm EditMacList buffer overflow
8.8
CVSS
0.8%
EPSS
No
On KEV
Description
A vulnerability was identified in H3C Magic B3 up to 100R002. This affects the function AddMacList/EditMacList of the file /goform/aspForm. The manipulation of the argument param leads to buffer overflow. The attack can be initiated remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MB
Magic B3 · H3C
100R002 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-10942
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-10942
github.com
https://github.com/lin-3-start/lin-cve/blob/main/H3C%2BMagic%2BB3/H3C%20routers%20Buffer%20overflow.md
github.com
https://github.com/lin-3-start/lin-cve/blob/main/H3C%2BMagic%2BB3/H3C%20routers%20Buffer%20overflow.md#poc
vuldb.com
https://vuldb.com/?ctiid.325812
vuldb.com
https://vuldb.com/?id.325812
vuldb.com
https://vuldb.com/?submit.651813
vuldb.com
https://vuldb.com/?submit.684667
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