CVE-2026-77946 (GCVE-0-2026-77946)

Vulnerability from cvelistv5 – Published: 2026-08-22 11:00 – Updated: 2026-08-26 17:48
VLAI
Title
TRENDnet TEW-821DAP NTP Timezone Configuration apply_time.cgi uci_safe_get stack-based overflow
Summary
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.
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 17:48 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3875 records in the last 180 days details
References
URL Tags
https://vuldb.com/vuln/394175 vdb-entrytechnical-description
https://vuldb.com/vuln/394175/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-77946 third-party-advisory
https://vuldb.com/submit/881252 third-party-advisory
https://github.com/dxz0069/WAVLINK-WN530H4-Comman… exploit
Impacted products
Vendor Product Version CPE status
TRENDnet TEW-821DAP Affected: 2.2.01b05
    cpe:2.3:o:trendnet:tew-821dap_firmware:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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Events included in the timeline

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    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.