Vulnerability Description
A security flaw has been discovered in Tenda AC21 1.1.1.1/1.dmzip/16.03.08.16. The impacted element is the function mDMZSetCfg of the file /goform/mDMZSetCfg. The manipulation of the argument dmzIp results in command injection. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Tenda | Ac21 Firmware | 16.03.08.16 |
| Tenda | Ac21 | - |
Related Weaknesses (CWE)
References
- https://github.com/LX-LX88/cve/issues/26Broken Link
- https://vuldb.com/?ctiid.343417Permissions RequiredVDB Entry
- https://vuldb.com/?id.343417Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.740871Third Party AdvisoryVDB Entry
- https://www.tenda.com.cn/Product
FAQ
What is CVE-2026-1638?
CVE-2026-1638 is a vulnerability with a CVSS score of 6.3 (MEDIUM). A security flaw has been discovered in Tenda AC21 1.1.1.1/1.dmzip/16.03.08.16. The impacted element is the function mDMZSetCfg of the file /goform/mDMZSetCfg. The manipulation of the argument dmzIp re...
How severe is CVE-2026-1638?
CVE-2026-1638 has been rated MEDIUM with a CVSS base score of 6.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-1638?
Check the references section above for vendor advisories and patch information. Affected products include: Tenda Ac21 Firmware, Tenda Ac21.