CVE-2026-3798 Details
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.
A command injection vulnerability exists in the Comfast CF-AC100 router running firmware version 2.6.0.8. The issue arises in the request path '/cgi-bin/mbox-config?method=SET§ion=ping_config', where the 'destination' field is improperly validated. This flaw allows remote attackers to execute arbitrary commands by sending crafted HTTP POST requests. Exploitation requires authentication and the presence of specific cookies.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Mar 10, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/jinhao118/cve/blob/main/ComFast%20CF-AC100-V2.6.0.8_1.md | [email protected] | ExploitThird Party Advisory |
| https://vuldb.com/?ctiid.349765 | [email protected] | Permissions RequiredVDB Entry |
| https://vuldb.com/?id.349765 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/?submit.766443 | [email protected] | Third Party AdvisoryVDB Entry |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-77 | Improper Neutralization of Special Elements used in a Command ('Command Injection') | [email protected] |
| CWE-74 | Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') | [email protected] |
| CWE-77 | Improper Neutralization of Special Elements used in a Command ('Command Injection') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| comfast cf-ac100 firmware | 2.6.0.8 |
CPE
Remediation
| |
| comfast cf-ac100 | All versions |
CPE
Remediation
| |
Change History
6 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 29, 2026 | Data Remediation | [email protected] |
| Mar 13, 2026 | Reanalysis | [email protected] |
| Mar 10, 2026 | Initial Analysis | [email protected] |
| Mar 9, 2026 | New CVE Received | [email protected] |