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CVE-2026-19976
COMFAST CF-N1-S mbox-config sub_44A968 command injection
Medium5.1EPSS 2.9%
- Published
- Updated
- Reserved
- Assigned by
- VulDB
Description
A security vulnerability has been detected in COMFAST CF-N1-S 2.6.0.1. Impacted is the function sub_44A968 of the file /cgi-bin/mbox-config?method=SET§ion=ptest_macaddress. Such manipulation of the argument macaddress leads to command injection. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulDBCNA (assigner) | 4.0 | Medium5.1 | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P |
| VulDBCNA (assigner) | 3.1 | Medium6.6 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L/E:P/RL:X/RC:R |
| VulDBCNA (assigner) | 3.0 | Medium6.6 | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L/E:P/RL:X/RC:R |
| VulDBCNA (assigner) | 2.0 | Medium5.8 | AV:N/AC:L/Au:M/C:P/I:P/A:P/E:POC/RL:ND/RC:UR |
| NVDNVD · Deferred | 4.0 | Low2.0 | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
- EPSS (exploitation in 30 days)
- 2.9% · top 13% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: partial
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.1.
Weakness
Affected products
References (5)
- VDB-391155 | COMFAST CF-N1-S mbox-config sub_44A968 command injection (opens in a new tab)vdb-entrytechnical-description
- VDB-391155 | CTI Indicators (IOB, IOC, TTP, IOA) (opens in a new tab)signaturepermissions-required
- CVE-2026-19976 | CVE Analysis and Report (opens in a new tab)third-party-advisory
- Submit #873821 | Comfast CF-N1-S V2.6.0.1 Command Injection (opens in a new tab)third-party-advisory
- https://github.com/1ChaoRen1/IOT/blob/main/CF-N1-S-V2.6.0.1%20.pdf (opens in a new tab)exploit
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-19976)Record last updated .