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TI-2026-03193 Aliases CVE-2026-3701GHSA-fwrh-mrwr-7c4f

H3C Magic B1 aspForm Edit_BasicSSID_5G buffer overflow

Priority HIGH 73CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

A security vulnerability has been detected in H3C Magic B1 up to 100R004. Affected by this vulnerability is the function Edit_BasicSSID_5G of the file /goform/aspForm. Such manipulation of the argument param leads to buffer overflow. The attack can be executed remotely. 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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00781 56th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
H3CMagic B1100R004—No fix listedCNA
  • Magic B1 VendorH3C Affected 100R004 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:h3c:magic_b1_firmware:*:*:*:*:*:*:*:*up to 100r004VulnerableH3C
cpe:2.3:h:h3c:magic_b1:-:*:*:*:*:*:*:*not specified by NVDRunning onH3C
  • cpe:2.3:o:h3c:magic_b1_firmware:*:*:*:*:*:*:*:* Versions up to 100r004 Vulnerable ·H3C
  • cpe:2.3:h:h3c:magic_b1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·H3C

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-3701
  2. 2026-10-03 Alias added: GHSA-fwrh-mrwr-7c4f

References

Sources