CVE-2024-28447Public exploit

Service interruption via unchecked LAN IP length

Published Mar 19, 2024 · Updated Aug 20, 2024

Stack-based buffer overflow in LBT-T300-mini firmware 1.2.9 allows attackers to interrupt service via a crafted LAN IP address. The /apply.cgi handler accepts lan_ipaddr without a length restriction before the start_lan call chain processes it, overflowing a stack buffer. The published request includes HTTP Basic credentials, although CISA rates exploitation as requiring no privileges and adjacent-network access.

CVSS severity6.5
Medium
EPSS probability0.52%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stack-based buffer overflow in LBT-T300-mini firmware 1.2.9 allows attackers to interrupt service via a crafted LAN IP address. The /apply.cgi handler accepts lan_ipaddr without a length restriction before the start_lan call chain processes it, overflowing a stack buffer. The published request includes HTTP Basic credentials, although CISA rates exploitation as requiring no privileges and adjacent-network access.

The record

CVE
CVE-2024-28447
Published
Mar 19, 2024
Updated
Aug 20, 2024
Vendor
Shenzhen Libituo Technology Co., Ltd.
Product
LBT-T300-mini Firmware
Classifications
CWE-121, T1499.004
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 19, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 20, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.2.9

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

Shenzhen Libituo Technology Co., Ltd. · LBT-T300-mini Firmwareversion=1.2.9

Published CVSS scores

6.5CISA-ADPCVSS:3.1/AV:A/AC:L/PR:N/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.

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No observations available

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

Weakness, pattern, technique

CWE-121Stack-based Buffer Overflow
T1499.004Application or System Exploitation

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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