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5.1
Comfast CF-AC100: Remote Attack Possible Through Malicious Ping Configuration
CVE-2026-3798
Summary
A security flaw in Comfast CF-AC100 version 2.6.0.8 allows an attacker to inject malicious commands, potentially taking control of the device. This could happen remotely, and the issue has been publicly disclosed, making it a potential risk. To protect your device, consider updating to the latest version or taking other security measures to prevent unauthorized access.
What to do
No fix is available yet. Check with your software vendor for updates.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| encomfast | comfast_cf-ac100_firmware | 2.6.0.8 | – |
| comfast | cf-ac100_firmware | 2.6.0.8 | – |
Original title
A vulnerability was detected in Comfast CF-AC100 2.6.0.8. This affects the function sub_44AC14 of the file /cgi-bin/mbox-config?method=SET§ion=ping_config of the component Request Path Handler....
Original description
A vulnerability was detected in Comfast CF-AC100 2.6.0.8. This affects the function sub_44AC14 of the file /cgi-bin/mbox-config?method=SET§ion=ping_config of the component Request Path Handler. The manipulation results in command injection. The attack may be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
nvd CVSS2.0
5.8
nvd CVSS3.1
4.7
nvd CVSS4.0
5.1
Vulnerability type
CWE-74
Injection
CWE-77
Command Injection
Published: 9 Mar 2026 · Updated: 13 Mar 2026 · First seen: 9 Mar 2026