Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Tenda | A21 Firmware | 1.0.0.0 |
| Tenda | A21 | - |
Related Weaknesses (CWE)
References
- https://github.com/QIU-DIE/cve-nneeww/issues/4ExploitIssue TrackingMitigation
- https://vuldb.com/?ctiid.347110Permissions RequiredVDB Entry
- https://vuldb.com/?id.347110Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.754635Third Party AdvisoryVDB Entry
- https://www.tenda.com.cn/Product
FAQ
What is CVE-2026-2873?
CVE-2026-2873 is a vulnerability with a CVSS score of 8.8 (HIGH). 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...
How severe is CVE-2026-2873?
CVE-2026-2873 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-2873?
Check the references section above for vendor advisories and patch information. Affected products include: Tenda A21 Firmware, Tenda A21.