CVE-2026-1638CWE-74CWE-77
Tenda AC21 mDMZSetCfg command injection
Medium · published January 29, 2026
What it is
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.
The record
Technical detail
- CVSS v4.0
- 5.3 · MEDIUM
- Vector
- CVSS: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
- EPSS
- 0.02235 · 82.7th percentile
- Weaknesses
- CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection'); CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection')
- Published
- 2026-01-29T23:32Z
EPSS history
Timeline