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Vulnerabilities

CVE-2026-1638 | BDVDB-2026-312980 Detail

TendaAC21

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.

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact low, availability impact low. Attack vector: network.

Weaknesses#

  • CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')
  • CWE-74 Injection

References#

Exploit#

History#

  1. Version 1Record published in the CVE List.
  2. Version 2Most recent update recorded in the CVE List.