CVE-2026-78141 Tenda CVE debrief

Who should care

Network administrators and security teams responsible for Tenda CH22 devices should assess exposure and apply remediation. They should verify potential vulnerability in Tenda CH22 1.0.0.1 devices, assess exposure in networked environments, and apply vendor remediation for affected devices. Additionally, they should review compensating controls for exposed systems while remediation is scheduled and verified, and check relevant monitoring, detection, andlogs

Why it matters

CVE-2026-78141 is a command injection vulnerability in Tenda CH22 1.0.0.1 devices. Network administrators and security teams should verify potential vulnerability, assess exposure, and apply remediation.

• Verify potential vulnerability in Tenda CH22 1.0.0.1 devices
• Assess exposure in networked environments
• Apply vendor remediation for affected devices

Technical summary

The vulnerability affects Tenda CH22 1.0.0.1 devices, specifically the formexeCommand function in /goform/exeCommand. The cmdinput argument can be manipulated for command injection, allowing remote attacks. The vulnerability is caused by a lack of proper input validation in the formexeCommand function, which allows an attacker to inject malicious commands. The affected product is Tenda CH22 1.0.0.1, and the vulnerability has been publicly disclosed. The vulnerability has a significant impact on network security, and administrators should take immediate action to assess exposure and apply remediation.

Defensive priority

Verify and apply vendor remediation for Tenda CH22 1.0.0.1 devices, assess exposure in networked environments.

Recommended defensive actions

• Verify and apply vendor remediation for Tenda CH22 1.0.0.1 devices
• Assess exposure in networked environments
• Inventory Tenda CH22 devices for potential vulnerability
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and NVD entry provide details on the vulnerability. However, the scope of affected versions and potential impact require further verification. The vulnerability is a command injection vulnerability in the Tenda CH22 1.0.0.1 device, which allows an attacker to inject malicious commands. The CVE record and NVD entry provide evidence of the vulnerability, but further verification is needed to determine the full scope of the vulnerability and its potential impact.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.