CVE-2023-0618Public exploitNetwork attack vector

Unauthenticated service interruption via cfg_op.ccp memory corruption

Published Feb 1, 2023 · Updated Aug 2, 2024

Memory corruption in the Web Service of TRENDnet TEW-652BRP 3.04B01 allows remote attackers to crash the router via cfg_op.ccp. Public records identify cfg_op.ccp as the affected request handler but do not disclose the input, parameter, or memory operation that corrupts the buffer. No authentication or user interaction is required; the documented impact is a remotely triggered service interruption, with no reported data disclosure or modification.

CVSS severity7.5
High
EPSS probability0.93%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Memory corruption in the Web Service of TRENDnet TEW-652BRP 3.04B01 allows remote attackers to crash the router via cfg_op.ccp. Public records identify cfg_op.ccp as the affected request handler but do not disclose the input, parameter, or memory operation that corrupts the buffer. No authentication or user interaction is required; the documented impact is a remotely triggered service interruption, with no reported data disclosure or modification.

The record

CVE
CVE-2023-0618
Published
Feb 1, 2023
Updated
Aug 2, 2024
Vendor
TRENDnet
Product
TEW-652BRP
Classifications
CWE-787, CWE-119, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 1, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 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=3.04B01

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

TRENDnet · TEW-652BRPversion=3.04B01

Published CVSS scores

7.8VulDBAV:N/AC:L/Au:N/C:N/I:N/A:C
7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5VulDBCVSS:3.1/AV:N/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-787Out-of-bounds Write
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
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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