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CVE-2026-1638

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CVE-2026-1638

Published: Jan 29, 2026

Modified: Feb 23, 2026

PUBLISHED

CVSS v3.1

6.3

MEDIUM

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.

VendorProductVersions

Tenda

AC21

affected
1.1.1.1
affected
1.dmzip
affected
16.03.08.16

Weaknesses (CWE)

CWE-77
CWE-74

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

References

https://github.com/LX-LX88/cve/issues/26
broken-link
exploit
issue-tracking

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