Vulnerability · CVE-2026-78141
Tenda ch22_firmware Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Published Sep 1, 2026 · corrected/updated Sep 1, 2026 · Tenda ch22_firmware · evidence confidence very high
A vulnerability has been found in Tenda CH22 1.0.0.1. This affects the function formexeCommand of the file /goform/exeCommand. The manipulation of the argument cmdinput leads to command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
Grounded briefings
Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.
Executive
CVE-2026-78141 is a unknown public vulnerability record for Tenda ch22_firmware. CISA lists it as known exploited. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.
System administrator
Identify whether Tenda ch22_firmware is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: Tenda ch22_firmware. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.
Security analyst
Signals on file: EPSS 2.7%. CISA lists it as known exploited. Sources contributing to this record: epss, vulncheck_kev. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.
Exploitation and remediation
Exploitation evidence
Confirmed in CISA KEV since Sep 1, 2026. Listed in CISA KEV and VulnCheck KEV.
Patch and remediation
Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Safe detection guidance
Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Sep 1, 2026 · VulnCheck KEV
Detected
A vulnerability has been found in Tenda CH22 1.0.0.1. This affects the function formexeCommand of the file /goform/exeCommand. The manipulation of the argument cmdinput leads to command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
Sep 1, 2026 · CISA KEV
Known exploited
Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected
- vendor Tenda ch22_firmwareversion unspecified
Sources
- FIRST EPSSExploitation probabilityCVE-2026-78141
30-day exploitation probability 2.7%
first.org - VulnCheck KEVConfirmed exploitationCVE-2026-78141
A vulnerability has been found in Tenda CH22 1.0.0.1. This affects the function formexeCommand of the file /goform/exeCommand. The manipulation of the argument cmdinput leads to command injection. The attack may be initiated remotely. The exploit has been disclosed to the public
vulncheck.com
References
- VulnCheck exploitation evidence · dashboard.shadowserver.org
- VulnCheck exploitation evidence · dashboard.shadowserver.org
- VulnCheck exploitation evidence · dashboard.shadowserver.org
- VulnCheck exploitation evidence · dashboard.shadowserver.org
- VulnCheck exploitation evidence · dashboard.shadowserver.org
- VulnCheck exploitation evidence · previdian.com