CVE-2026-0581: Tenda AC1206 httpd BehaviorManager formBehaviorManager command injection

Vulnerability summary

CVE-2026-0581 is a critical (CVSS 9.8) Injection vulnerability in tenda ac1206_firmware. EPSS estimates a 9.41% chance of exploitation in the next 30 days, higher than 95.4% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 05-01-2026
   PublishedVulnerability first disclosed.
2. 23-02-2026
   Last modifiedVulnerability information updated.

Description

A vulnerability was determined in Tenda AC1206 15.03.06.23. Affected by this issue is the function formBehaviorManager of the file /goform/BehaviorManager of the component httpd. Executing a manipulation of the argument modulename/option/data/switch can lead to command injection. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.

• CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.
• CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.