CVE-2026-2873
A vulnerability was detected in Tenda A21 1.0.0.0. This issue affects the function setSchedWifi of the file /goform/openSchedWifi. Performing a manipulation of the argument schedStartTime/schedEndTime results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit is now public and may be used.
Published:Feb 21, 2026
Last Modified:Apr 17, 2026
EPS:Feb 21, 2026
EPSS Score:0.00097
CVSS Score:8.8
Affected Products
Vendor
Product
Action
Vendor
Tenda
Product
A21
Tenda
A21
Vendor
Tenda
Product
A21 Firmware
Tenda
A21 Firmware
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
