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CVE-2026-76591: Command Injection in TRENDnet TEW-755AP

0
Medium
Published: 08/19/2026 (08/19/2026, 22:00:11 UTC)
Source: CVE Database V5
Vendor/Project: TRENDnet
Product: TEW-755AP

Description

CVE-2026-76591 is a command injection vulnerability in the TRENDnet TEW-755AP device affecting the log_email_server function in /cgi-bin/email.cgi. This flaw allows remote attackers to execute arbitrary commands by manipulating input to the vulnerable function. The vulnerability affects versions up to 20260702. An exploit has been publicly released. The CVSS 4.0 score is 5.3, indicating medium severity.

CVSS v4.0

Score 5.3medium

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vuln. Confidentiality
Low
Vuln. Integrity
Low
Vuln. Availability
Low
Subsq. Confidentiality
Low
Subsq. Integrity
Low
Subsq. Availability
Low
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P

Affected software

TRENDnet

TEW-755AP

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/11/2026, 06:03:22 UTC

Technical Analysis

A command injection vulnerability exists in the log_email_server function of the /cgi-bin/email.cgi component (ssi) in TRENDnet TEW-755AP devices up to version 20260702. Remote attackers can exploit this flaw by manipulating input to execute arbitrary commands on the affected device. The vulnerability has been publicly disclosed along with exploit code. The CVSS 4.0 vector indicates network attack vector, low attack complexity, no privileges required, no user interaction, and low to moderate impacts on confidentiality, integrity, availability, scope, and security requirements.

Potential Impact

Successful exploitation allows remote attackers to execute arbitrary commands on the affected TRENDnet TEW-755AP device, potentially compromising device integrity and availability. The medium CVSS score reflects moderate risk due to the ease of remote exploitation without user interaction but requiring low privileges.

Mitigation Recommendations

No patch or official remediation information is provided in the available data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, consider restricting network access to the device's management interface to trusted sources only.

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Technical Details

Data Version
5.2
Assigner Short Name
VulDB
Date Reserved
2026-08-19T14:38:06.124Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6a862954acd9273b49aec91c

Added to database: 08/19/2026, 22:08:20 UTC

Last enriched: 09/11/2026, 06:03:22 UTC

Last updated: 10/03/2026, 14:46:10 UTC

Views: 86

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