CVE-2026-76591: TRENDnet TEW-755AP ssi email.cgi log_email_server command injection

Severity: high (CVSS 7.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-19 · updated 2026-08-21
Weakness: CWE-74

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

TRENDnet TEW-755AP: 20260702

References

https://github.com/meishigana/CVE/blob/main/team15_20260702/14_755ap-ssi-cmdi/poc/poc-ssi-injection.py
https://github.com/meishigana/CVE/tree/main/team15_20260702/14_755ap-ssi-cmdi
https://vuldb.com/cve/CVE-2026-76591
https://vuldb.com/submit/877853
https://vuldb.com/vuln/393088
https://vuldb.com/vuln/393088/cti

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