CVE-2026-75976

CRITICAL 9.9

TRENDnet TEW-823DRU NVRAM wan.cgi strcpy stack-based overflow

CVSS Score

9.9

EPSS Score

0.0%

EPSS Percentile

0th

A weakness has been identified in TRENDnet TEW-823DRU 1.1.02b01. Impacted is the function strcpy of the file /cgi-bin/wan.cgi of the component NVRAM. This manipulation of the argument wan_l2tp_password causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.

CWE	CWE-121 CWE-119
Vendor	trendnet
Product	tew-823dru
Published	Aug 18, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

TRENDnet / TEW-823DRU

1.1.02b01

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/391892 vuldb.com: https://vuldb.com/vuln/391892/cti vuldb.com: https://vuldb.com/cve/CVE-2026-75976 vuldb.com: https://vuldb.com/submit/877796 github.com: https://github.com/meishigana/CVE/tree/main/team15_20260702/10_823dru-rc-bof github.com: https://github.com/meishigana/CVE/blob/main/team15_20260702/10_823dru-rc-bof/poc/poc-rc-overflow.py

Credits

🔍 fuhanhan2015 (VulDB User)