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CVE-2026-12814

Comfast CF-WR631AX V3 API Endpoint mbox-config system os command injection

Published: Jun 21, 2026Updated: Jun 22, 2026 Sources: CVE List NVDCWE-77
6.3MEDIUM
NVD MITRE
EPSS Score
2.0%
Top 20.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
Not available

Description

A flaw has been found in Comfast CF-WR631AX V3 up to 2.7.0.8. This issue affects the function system of the file /cgi-bin/mbox-config?section=ping_config of the component API Endpoint. This manipulation of the argument destination causes os command injection. The attack is possible to be carried out remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:LI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low
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Weaknesses

CWE-77CWE-78

Affected Products

Comfast
commercialaka comfast cf-n1, cf-xr11 firmware, cf-n1
CF-WR631AX V3Embedded
Hardware Firmware / network-adapter

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Execution
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References

https://github.com/0xcc12138/COMFAST-CF-WR631AX-Router-Backend-Command-Injection-RCE-Analysis-Report
github.com
https://vuldb.com/cve/CVE-2026-12814
vuldb.com
https://vuldb.com/submit/837561
vuldb.com
and 2 more references View all →

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