CVE-2026-76589
TRENDnet TEW-755AP mycli FUN_401000 stack-based overflow
- State
- Published
- Severity
- 9.4 Critical
- Published
- Aug 19, 2026
- Updated
- Aug 25, 2026
- Reserved
- Aug 19, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.4 Critical | 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 | VulDB |
| 3.1 | 9.9 Critical | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 3.0 | 9.9 Critical | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 2.0 | 9.0 High | AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
TEW-755APTRENDnet |
|
References
- VDB-393085 | TRENDnet TEW-755AP mycli FUN_401000 stack-based overflowvdb-entrytechnical-description
- VDB-393085 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-76589 | CVE Analysis and Reportthird-party-advisory
- Submit #877845 | TRENDnet TEW-755AP TEW-755AP Stack-based Buffer Overflowthird-party-advisory
- https://github.com/meishigana/CVE/tree/main/team15_20260702/13_755ap-mycli-bofrelated
- https://github.com/meishigana/CVE/blob/main/team15_20260702/13_755ap-mycli-bof/poc/poc-mycli-overflow.pyexploit
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