HOMEVULNERABILITIESCVE-2023-0638
CRITICAL

CVE-2023-0638

CWE-77Published: February 2, 2023· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

A vulnerability has been found in TRENDnet TEW-811DRU 1.0.10.0 and classified as critical. This vulnerability affects unknown code of the component Web Interface. The manipulation leads to command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-220018 is the identifier assigned to this vulnerability.

NVD Source

Risk Analysis

A critical command injection vulnerability exists in the web interface of TRENDnet TEW-811DRU. This flaw allows remote attackers to execute arbitrary commands, resulting in a CVSS score of 9.8.

No public exploit is known, and it is not in KEV. The vulnerability is remotely exploitable with low complexity.

Recommended Action

Apply the latest available firmware updates for the affected device.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-0638 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

trendnet2 product(s)
tew-811dru firmwaretew-811dru
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (4)

https://vuldb.com/?ctiid.220018Permissions Required · Third Party Advisory
https://vuldb.com/?id.220018Permissions Required · Third Party Advisory
https://vuldb.com/?ctiid.220018Permissions Required · Third Party Advisory
https://vuldb.com/?id.220018Permissions Required · Third Party Advisory

Quick Facts

CVE IDCVE-2023-0638
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-77
CISA KEVNo
Affected1 vendor(s)
PublishedFeb 2, 2023

Related CVEs (CWE-77)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2023-0638 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.