Vulnerability · Published Aug 19, 2026 · Assigned by VulDB
CVE-2026-76591TRENDnet TEW-755AP ssi email.cgi log_email_server command injection
High 7.4
In plain English
A high-severity command injection in TEW-755AP from TRENDnet. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 79% of all known vulnerabilities).
Severity (CVSS 3.1)7.4High
Exploit odds (30 days)1.8%top 21.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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 products (as reported)
Weakness: CWE-77, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-393088 | TRENDnet TEW-755AP ssi email.cgi log_email_server command injection vdb-entry, technical-description
- VDB-393088 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-76591 | CVE Analysis and Report third-party-advisory
- Submit #877853 | TRENDnet TEW-755AP TEW-755AP Command Injection third-party-advisory
- https://github.com/meishigana/CVE/tree/main/team15_20260702/14_755ap-ssi-cmdi related
- https://github.com/meishigana/CVE/blob/main/team15_20260702/14_755ap-ssi-cmdi/poc/poc-ssi-injection.py exploit