VulnerabilityAnalyzed
CVE-2026-1638
The manipulation of the argument dmzIp results in command injection.
LOW 2.1EPSS 2.06%
Does this matter?
Lower severity and a low EPSS score (2.06%). Track it; it rarely justifies an emergency change on its own.
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 4.0
- 2.1 LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 2.06% probability · 80th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-74, CWE-77
- Affected
- tenda/ac21 firmware
- Source
- cna@vuldb.com
References
- https://github.com/LX-LX88/cve/issues/26Broken Link
- https://vuldb.com/?ctiid.343417Permissions Required, VDB Entry
- https://vuldb.com/?id.343417Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.740871Third Party Advisory, VDB Entry
- https://www.tenda.com.cn/Product
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.