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CVE-2026-6581

H3C Magic B1 aspForm SetMobileAPInfoById buffer overflow

Published: Apr 19, 2026Updated: Apr 19, 2026 Sources: CVE List NVD
NVD MITRE
8.8CVSS
HIGH

A vulnerability was detected in H3C Magic B1 up to 100R004. Affected by this vulnerability is the function SetMobileAPInfoById of the file /goform/aspForm. Performing a manipulation of the argument param results in buffer overflow. Remote exploitation of the attack is possible. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

EPSS Score
N/A
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High

Weaknesses

CWE-119CWE-120

Affected Products

Magic B1
H3C

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://github.com/hmKunlun/H3Cc/blob/main/h3c.md
github.com
https://vuldb.com/submit/790977
vuldb.com
https://vuldb.com/vuln/358216
vuldb.com
and 1 more references View all →

Timeline

Published
Apr 19, 2026
Last Updated
Apr 19, 2026

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