CVE-2026-12814

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

Assigner: VulDB
Reserved: 21.06.2026 Published: 21.06.2026 Updated: 22.06.2026

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.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CVSS Score: 5.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	Low	Integrity	None
Attack Requirements	None	Availability	Low	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CVSS Score: 6.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	Low	Integrity Impact	Low
User Interaction	None	Availability Impact	Low

CVSS 3.1

CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CVSS Score: 6.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	Low	Integrity Impact	Low
User Interaction	None	Availability Impact	Low

CVSS 3.0

CVSS Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
CVSS Score: 6.5

Access Vector	Network	Confidentiality Impact	Partial
Access Complexity	Low	Integrity Impact	Partial
Authentication	Single	Availability Impact	Partial

CVSS 2.0

Product Status

Vendor	Comfast
Product	CF-WR631AX V3
Versions	Version 2.7.0.0 is affected Version 2.7.0.1 is affected Version 2.7.0.2 is affected Version 2.7.0.3 is affected Version 2.7.0.4 is affected Version 2.7.0.5 is affected Version 2.7.0.6 is affected Version 2.7.0.7 is affected Version 2.7.0.8 is affected

Vendor

Comfast

Product

CF-WR631AX V3

Versions

Version 2.7.0.0 is affected
Version 2.7.0.1 is affected
Version 2.7.0.2 is affected
Version 2.7.0.3 is affected
Version 2.7.0.4 is affected
Version 2.7.0.5 is affected
Version 2.7.0.6 is affected
Version 2.7.0.7 is affected
Version 2.7.0.8 is affected

Credits

0xcc12138 (VulDB User) reporter
VulDB CNA Team coordinator

References

Problem Types