CVE-2023-0617Network attack vector

Unauthenticated service interruption via guest-network request

Published Feb 1, 2023 · Updated Aug 2, 2024

Buffer overflow in TRENDnet TEW-811DRU 1.0.10.0 httpd allows remote attackers to interrupt service via a guest-network request. The public record identifies /wireless/guestnetwork.asp as the affected request path but does not disclose which input exceeds a destination buffer or the responsible copy operation. No authentication or user interaction is required; public sources do not specify whether the overflow crashes httpd or reboots the router.

CVSS severity7.5
High
EPSS probability1.00%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Buffer overflow in TRENDnet TEW-811DRU 1.0.10.0 httpd allows remote attackers to interrupt service via a guest-network request. The public record identifies /wireless/guestnetwork.asp as the affected request path but does not disclose which input exceeds a destination buffer or the responsible copy operation. No authentication or user interaction is required; public sources do not specify whether the overflow crashes httpd or reboots the router.

The record

CVE
CVE-2023-0617
Published
Feb 1, 2023
Updated
Aug 2, 2024
Vendor
TRENDnet
Product
TEW-811DRU
Classifications
CWE-120, T1499.004
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=1.0.10.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

TRENDnet · TEW-811DRUversion=1.0.10.0

Published CVSS scores

7.5VulDBCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.8VulDBAV:N/AC:L/Au:N/C:N/I:N/A:C

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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
T1499.004Application or System Exploitation

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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