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Vulnerability record · CVE-2026-76589 · published 19 August 2026

CVE-2026-76589: Memory buffer overflow vulnerability

A vulnerability was found in TRENDnet TEW-755AP up to 20260702. Affected is the function FUN_401000 of the file /sbin/mycli. The manipulation of the argument ssid results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been made public and could be used.

8.6 CVSS 4.0 High EPSS 0.85% · top 43.4% CWE-119 · Memory buffer overflowCWE-121 · Stack-based buffer overflow Deferred
8.6CVSS 4.0 base score, v2 9.0
0.85%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
6References
25 Aug 2026Last modified by NVD

Description

A vulnerability was found in TRENDnet TEW-755AP up to 20260702. Affected is the function FUN_401000 of the file /sbin/mycli. The manipulation of the argument ssid results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been made public and could be used.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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:

References

LinkTags
https://github.com/meishigana/CVE/blob/main/team15_20260702/13_755ap-mycli-bof/poc/poc-mycli-overflow.py
https://github.com/meishigana/CVE/tree/main/team15_20260702/13_755ap-mycli-bof
https://vuldb.com/cve/CVE-2026-76589
https://vuldb.com/submit/877845
https://vuldb.com/vuln/393085
https://vuldb.com/vuln/393085/cti

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Source: NIST National Vulnerability Database (record CVE-2026-76589), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.