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CVE-2026-76591

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

HIGH
7.4
CVSS Score
Published: August 19, 2026 at 10:00 PM UTC
Updated: August 21, 2026 at 10:16 PM UTC
2 products affected across 1 vendorTew 755AP FirmwareTEW-755AP

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Severity
HIGH7.4
Exploit prediction
EPSS 2%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (6)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/393088
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/393088/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-76591
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/877853
Related
Source: cverecord
https://github.com/meishigana/CVE/tree/main/team15_20260702/14_755ap-ssi-cmdi
Exploit
Source: cverecord
https://github.com/meishigana/CVE/blob/main/team15_20260702/14_755ap-ssi-cmdi/poc/poc-ssi-injection.py

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.4HIGHVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-77CWE-74

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