CVE-2026-75976

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

Published: Aug 18, 2026Updated: Aug 25, 2026 Sources: CVE List NVDCWE-119

9.9CRITICAL

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:NUser Interaction

None

Scope

S:CScope

Changed

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-119 CWE-121

Affected Products

TRENDnet

commercial·USaka trendnet inc.

TEW-823DRUOn-prem

Networking Infrastructure / router-switch

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Initial Access

Privilege Escalation

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References

https://github.com/meishigana/CVE/blob/main/team15_20260702/10_823dru-rc-bof/poc/poc-rc-overflow.py

github.com

https://github.com/meishigana/CVE/tree/main/team15_20260702/10_823dru-rc-bof

github.com

https://vuldb.com/cve/CVE-2026-75976

vuldb.com

and 3 more references View all →

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