CVE-2026-76589TRENDnet TEW-755AP mycli FUN_401000 stack-based overflow
Updated under an hour ago ()
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It affects TRENDnet TEW-755AP. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 9.9 CRITICAL (v3.1, CNA)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
- Weakness (CWE)
- CWE-121, CWE-119
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Aug 25, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
TRENDnet TEW-755AP trendnet:tew-755ap_firmware | 20260702 | CNA record |
References
- https://vuldb.com/vuln/393085vdb-entry, technical-description
- https://vuldb.com/vuln/393085/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-76589third-party-advisory
- https://vuldb.com/submit/877845third-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
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.