# CVE-2026-78141: Tenda CH22 command injection in formexeCommand

Source: https://junglewise.ai/threats/cve-2026-78141-tenda-ch22-command-injection-in-formexecommand  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-08-23. Updated: 2026-09-25  
License: CC BY 4.0 with a link back

CVE-2026-78141 · Severity: high · CVSS 7.4 · Published 2026-08-23

Tenda CH22 is a network device used for connectivity and network management. A remote attacker can inject arbitrary commands through the exeCommand interface, allowing them to execute malicious code on the device and potentially take full control of the network infrastructure.

Technologies: [Tenda CH22](https://junglewise.ai/threats/technologies/ch22). Vendors: [Tenda](https://junglewise.ai/threats/vendors/tenda).

## Quick answers

**Is CVE-2026-78141 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-78141 being exploited in the wild.

**How severe is CVE-2026-78141?** High severity, with a CVSS score of 7.4, published 23 August 2026.

**Which products and versions are affected?** Tenda CH22 1.0.0.1.

**Is there a fix for CVE-2026-78141?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-78141 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-78141?** Check whether you run Tenda CH22 at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

This vulnerability is a command injection flaw in the formexeCommand function within the /goform/exeCommand endpoint of Tenda CH22 version 1.0.0.1. The cmdinput parameter is not properly sanitized, allowing an attacker to inject arbitrary shell commands. The vulnerability is remotely exploitable without authentication and can result in unauthenticated remote code execution with device-level privileges. The attack has been publicly disclosed.

## Affected products

- Tenda CH22 1.0.0.1

## Timeline

- 2026-08-23: disclosed: Public disclosure of vulnerability

## References

- [https://candle-throne-f75.notion.site/Tenda-CH22-formexeCommand-396df0aa11858036b0cdf7a7562d4a67](https://candle-throne-f75.notion.site/Tenda-CH22-formexeCommand-396df0aa11858036b0cdf7a7562d4a67)
- [https://vuldb.com/cve/CVE-2026-78141](https://vuldb.com/cve/CVE-2026-78141)

## Related threats

- [Tenda CH22 command injection in editFileName](https://junglewise.ai/threats/cve-2026-78063-tenda-ch22-command-injection-in-editfilename)
- [Tenda CH22 command injection in formcreateFileName](https://junglewise.ai/threats/cve-2026-77031-tenda-ch22-command-injection-in-formcreatefilename)
- [Tenda CH22 buffer overflow in formCertListInfo](https://junglewise.ai/threats/cve-2026-15543-tenda-ch22-buffer-overflow-in-formcertlistinfo)
- [A vulnerability was detected in Tenda CH22 1.0.0.6(468). This issue affects the function R7WebsSecurityHandlerfunction…](https://junglewise.ai/threats/cve-2026-5962-a-vulnerability-was-detected-in-tenda-ch22-1-0-0-6-468-this-issue)
- [Tenda CH22 stack buffer overflow in formWrlExtraSet](https://junglewise.ai/threats/cve-2026-5605-tenda-ch22-stack-buffer-overflow-in-formwrlextraset)