Vulnerability Description
A vulnerability was detected in Tenda AC21 16.03.08.16. Impacted is the function formSetQosBand of the file /goform/SetNetControlList. Performing a manipulation of the argument list results in buffer overflow. The attack can be initiated remotely. The exploit is now public and may be used.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Tenda | Ac21 Firmware | 16.03.08.16 |
| Tenda | Ac21 | 1.0 |
Related Weaknesses (CWE)
References
- https://github.com/hellonestor/killallbug/issues/14ExploitIssue Tracking
- https://github.com/hellonestor/killallbug/releases/tag/pocExploit
- https://vuldb.com/?ctiid.352402Permissions RequiredVDB Entry
- https://vuldb.com/?id.352402Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.775119Third Party AdvisoryVDB Entry
- https://www.tenda.com.cn/Product
FAQ
What is CVE-2026-4565?
CVE-2026-4565 is a vulnerability with a CVSS score of 8.8 (HIGH). A vulnerability was detected in Tenda AC21 16.03.08.16. Impacted is the function formSetQosBand of the file /goform/SetNetControlList. Performing a manipulation of the argument list results in buffer ...
How severe is CVE-2026-4565?
CVE-2026-4565 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-2026-4565?
Check the references section above for vendor advisories and patch information. Affected products include: Tenda Ac21 Firmware, Tenda Ac21.