01 Record
CVE-2026-12814
Comfast CF-WR631AX V3 API Endpoint mbox-config system os command injection
MediumPUBLISHEDCNA: VulDB
CNA base score5.3 CVSS v4.0CVSS: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
02 Description
Comfast CF-WR631AX V3 API Endpoint mbox-config system os command injection
03 Exploitation and scoring
- Exploitation
- Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
- SSVC decision
- ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 2.37% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 83.7% of scored records. A rank, not a probability.
- NVD base score
- 2.1 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD 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/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
- NVD analysis status
- Deferred. NVD last modified this record on 2026-10-25.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-06-21 22:45Z4 MO AGO
- Last updated
- 2026-06-22 12:07Z4 MO AGO
- Reserved
- 2026-06-21
- Assigning CNA
- VulDB
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.3)
- CNA 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
- Weaknesses
- Data version
- 5.2
- Document digest
- 8e4694ddecf70d94104d5f10aef287356e2e73cf6f6e987f06e6df4ac2b1775b
05 Affected products
VendorProductVersionsPlatforms
ComfastCF-WR631AX V32.7.0.0, 2.7.0.1, 2.7.0.2, 2.7.0.3, 2.7.0.4, 2.7.0.5, 2.7.0.6, 2.7.0.7, 2.7.0.8—
06 References
- vuldb.comVDB-372608 | Comfast CF-WR631AX V3 API Endpoint mbox-config system os command injectionhttps://vuldb.com/vuln/372608
- vuldb.comVDB-372608 | CTI Indicators (IOB, IOC, TTP, IOA)https://vuldb.com/vuln/372608/cti
- vuldb.comCVE-2026-12814 | CVE Analysis and Reporthttps://vuldb.com/cve/CVE-2026-12814
- vuldb.comSubmit #837561 | COMFAST CF-WR631AX V3-V2.7.0.8 OS Command Injectionhttps://vuldb.com/submit/837561
- github.comhttps://github.com/0xcc12138/COMFAST-CF-WR631AX-Router-Backend-Command-Injection-RCE-Analysis-Report