CVE-2023-29910Public exploitNetwork attack vector

Authenticated service interruption via UpdateMacClone stack overflow

Published Apr 21, 2023 · Updated Feb 5, 2025

Stack overflow in the UpdateMacClone interface of H3C Magic R200 R200V100R004 allows remote authenticated users to interrupt router service. Public evidence identifies /goform/aspForm but does not disclose the affected request field or the unsafe operation that overflows the stack buffer. Administrative privileges are required, and no data disclosure or modification impact is reported.

CVSS severity4.9
Medium
EPSS probability0.79%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

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Summary

What happened

Stack overflow in the UpdateMacClone interface of H3C Magic R200 R200V100R004 allows remote authenticated users to interrupt router service. Public evidence identifies /goform/aspForm but does not disclose the affected request field or the unsafe operation that overflows the stack buffer. Administrative privileges are required, and no data disclosure or modification impact is reported.

The record

CVE
CVE-2023-29910
Published
Apr 21, 2023
Updated
Feb 5, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-787, T1499
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Apr 21, 2023CVE publishedPublication date reported by the CVE source.
  2. Feb 5, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

4.9CISA-ADPCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
4.9NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-787Out-of-bounds Write
T1499Endpoint Denial of Service

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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