01 Record

CVE-2026-77946

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

CriticalPUBLISHEDCNA: VulDB

Base score10.0 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P

02 Description

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

Published

2026-08-22 11:00Z1 HR AGO

Last updated

2026-08-22 11:00Z1 HR AGO

Reserved

2026-08-21

Assigning CNA

VulDB

Record state

PUBLISHED

Severity

Critical (CVSS 10.0)

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P

Weaknesses

CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
CWE-121Stack-based Buffer OverflowVariant

SSVC decision

No CISA-ADP assessment

Data version

5.2

Document digest

b905c792359cbe3bbdef0518129c49dcb98ffba3b4050ac5b5bd3243e746191e

VendorProductVersionsPlatforms

TRENDnetTEW-821DAP2.2.01b05—

vuldb.comVDB-394175 | TRENDnet TEW-821DAP NTP Timezone Configuration apply_time.cgi uci_safe_get stack-based overflowhttps://vuldb.com/vuln/394175vdb-entrytechnical-description
vuldb.comVDB-394175 | CTI Indicators (IOB, IOC, IOA)https://vuldb.com/vuln/394175/ctisignaturepermissions-required
vuldb.comCVE-2026-77946 | CVE Analysis and Reporthttps://vuldb.com/cve/CVE-2026-77946third-party-advisory
vuldb.comSubmit #881252 | TRENDnet TEW-821DAP Wireless Access Point v2.2.01b05 Stack-based Buffer Overflowhttps://vuldb.com/submit/881252third-party-advisory
github.comhttps://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/TEW-821DAP_ssi_NTP_Timezone_Config_Stack_Overflow.mdexploit