CVE-2026-76590

TRENDnet TEW-755AP ssi wan.cgi stack-based overflow

Published Aug 19, 2026 CVSS 4.0 · 9.4 Critical EPSS < 1% KEV · Not listed
Description
A vulnerability was identified in TRENDnet TEW-755AP up to 20260702. Affected by this issue is some unknown functionality of the file /cgi-bin/wan.cgi of the component ssi. Such manipulation of the argument cameo.wan.wan_pppoe_password_00 leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Trendnet tew-755ap
Vendors & Products Trendnet tew-755ap
Type Values Removed Values Added
Description A vulnerability was identified in TRENDnet TEW-755AP up to 20260702. Affected by this issue is some unknown functionality of the file /cgi-bin/wan.cgi of the component ssi. Such manipulation of the argument cameo.wan.wan_pppoe_password_00 leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.
Title TRENDnet TEW-755AP ssi wan.cgi stack-based overflow
First Time appeared Trendnet
Trendnet tew-755ap Firmware
Weaknesses CWE-119
CWE-121
CPEs cpe:2.3:o:trendnet:tew-755ap_firmware:*:*:*:*:*:*:*:*
Vendors & Products Trendnet
Trendnet tew-755ap Firmware
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 9.9, 'vector': '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'}

cvssV3_1

{'score': 9.9, 'vector': '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'}

cvssV4_0

{'score': 9.4, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Aug 21, 2026, 4:47 PM
Reserved
Aug 19, 2026, 2:38 PM
Status
Deferred
Published
Aug 19, 2026, 10:17 PM
Modified
Aug 21, 2026, 5:16 PM