CVE-2021-33963
China Mobile An Lianbao WF-1 v1.0.1 router web interface through /api/ZRMacClone/mac_addr_clone receives parameters by POST request, and the parameter macType has a command injection vulnerability.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.07%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
China Mobile An Lianbao WF-1 v1.0.1 router web interface through /api/ZRMacClone/mac_addr_clone receives parameters by POST request, and the parameter macType has a command injection vulnerability. An attacker can use the vulnerability to execute remote commands.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.07% probability · 88th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-77
- Affected
- chinamobile/an lianbao wf-1 firmware
- Source
- cve@mitre.org
EPSS 3.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://iot.10086.cn/?l=en-usProduct
- https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/China%20Mobile%20An%20Lianbao%20WF-1%20router%20Command%20Injection9.mdBroken Link, Third Party Advisory
- https://www.cnvd.org.cn/flaw/show/CNVD-2021-03520Third Party Advisory
- https://www.ebuy7.com/item/china-mobile-wireless-router-qualcomm-qiki-wifi6-routing-mesh-network-home-5g-dual-frequency-double-gigabit-port-wall-wall-high-speed-%E2%80%8B%E2%80%8Bhigh-power-enhanced-dormitory-students-an-lianbao-wf-1-628692180620Broken Link, Third Party Advisory
- http://iot.10086.cn/?l=en-usProduct
- https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/China%20Mobile%20An%20Lianbao%20WF-1%20router%20Command%20Injection9.mdBroken Link, Third Party Advisory
- https://www.cnvd.org.cn/flaw/show/CNVD-2021-03520Third Party Advisory
- https://www.ebuy7.com/item/china-mobile-wireless-router-qualcomm-qiki-wifi6-routing-mesh-network-home-5g-dual-frequency-double-gigabit-port-wall-wall-high-speed-%E2%80%8B%E2%80%8Bhigh-power-enhanced-dormitory-students-an-lianbao-wf-1-628692180620Broken Link, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.