CVE-2024-25139

Local root code execution via integer overflow

Published Mar 14, 2024 · Updated Aug 5, 2024

Heap-based buffer overflow in TP-Link ER605 1.0.1 through 2.2.3 allows local users to execute code as root through cloud-brd. The cloud-brd binary performs an integer calculation that overflows and causes an undersized heap operation during attacker-directed heap shaping. Local access to the appliance is required, and successful heap shaping yields root-context code execution.

CVSS severity10.0
Critical
EPSS probability0.88%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Heap-based buffer overflow in TP-Link ER605 1.0.1 through 2.2.3 allows local users to execute code as root through cloud-brd. The cloud-brd binary performs an integer calculation that overflows and causes an undersized heap operation during attacker-directed heap shaping. Local access to the appliance is required, and successful heap shaping yields root-context code execution.

The record

CVE
CVE-2024-25139
Published
Mar 14, 2024
Updated
Aug 5, 2024
Vendor
TP-Link
Product
ER605
Classifications
CWE-120, T1068
Attack vector
local
Privileges
Unavailable

Timeline

How it unfolded

  1. Mar 14, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 5, 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=0 <2.2.4

What conditions does exploitation require?

Attack vectorlocal
Required privilegesUnavailable in this record.

What is affected?

TP-Link · ER605version=0 <2.2.4

Published CVSS scores

10.0CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

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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