CVE-2026-77946

TRENDnet TEW-821DAP NTP Timezone Configuration apply_time.cgi uci_safe_get stack-based overflow

Published: Aug 22, 2026Updated: Aug 26, 2026 Sources: CVE List NVDCWE-119

10.0CRITICAL

Description

A vulnerability was determined in TRENDnet TEW-821DAP 2.2.01b05. Affected by this vulnerability is the function uci_safe_get of the file /cgi-bin/apply_time.cgi of the component NTP Timezone Configuration Handler. Executing a manipulation of the argument system.ntp.server/system.ntp.enable_server/cameo.time.time_zone/cameo.cameo.syslog_server can lead to stack-based buffer overflow. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

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-821DAP

Networking Infrastructure

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://vuldb.com/vuln/394175

vuldb.com

https://vuldb.com/vuln/394175/cti

vuldb.com

https://vuldb.com/cve/CVE-2026-77946

vuldb.com

and 2 more references View all →

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