CVE-2026-76591

TRENDnet TEW-755AP ssi email.cgi log_email_server command injection

5.3 Medium

A security flaw has been discovered in TRENDnet TEW-755AP up to 20260702. This affects the function log_email_server of the file /cgi-bin/email.cgi of the component ssi. Performing a manipulation results in command injection. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: Low

Exploit likelihood

1.82%Up 0.5 points since Aug 20, 2026

What each source reports

CVE List Score used 5.3

TRENDnet TEW-755AP ssi email.cgi log_email_server command injection

Record: CVE-2026-76591
CVSS 4.0: 5.3 MediumCVSS: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
CVSS 3.1: 7.4 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/E:P/RL:X/RC:R
CVSS 3.0: 7.4 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/E:P/RL:X/RC:R
CVSS 2.0: 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
Weakness: CWE-77, CWE-74
Updated: 2026-11-02

EUVDEUVD-2026-63136 5.3

Record: EUVD-2026-63136
CVSS 4.0: 5.3 MediumCVSS: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
Updated: 2026-11-02

GitHub AdvisoriesGHSA-9vvw-px6q-c765 2.1

A security flaw has been discovered in TRENDnet TEW-755AP up to 20260702. This affects the...

Record: GHSA-9vvw-px6q-c765
CVSS 4.0: 2.1 LowCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 7.4 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
Weakness: CWE-74
Updated: 2026-11-02

NVD 2.1

Record: CVE-2026-76591
CVSS 4.0: 2.1 LowCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 7.4 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
CVSS 2.0: 6.5 MediumAV:N/AC:L/Au:S/C:P/I:P/A:P
Weakness: CWE-74, CWE-77
Updated: 2026-11-02

Affected products

trendnet tew-755ap

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-76591 is a medium vulnerability (CVSS 5.3) in Trendnet Tew-755ap, published August 19, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.82%, the 78th percentile. No source names a fixed version.