CVE-2021-30230
The api/ZRFirmware/set_time_zone interface in China Mobile An Lianbao WF-1 router 1.0.1 allows remote attackers to execute arbitrary commands via shell metacharacters in the zonename parameter.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.27%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The api/ZRFirmware/set_time_zone interface in China Mobile An Lianbao WF-1 router 1.0.1 allows remote attackers to execute arbitrary commands via shell metacharacters in the zonename parameter.
- 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
- 3.27% probability · 88th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-78
- Affected
- chinamobile/an lianbao wf-1 firmware
- Source
- cve@mitre.org
EPSS 3.3% 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_REQUEST/blob/master/China%20Mobile%20An%20Lianbao%20WF-1%20router%20Command%20Injection5.mdExploit, Third Party Advisory
- https://www.cnvd.org.cn/flaw/show/CNVD-2021-03520Third Party Advisory
- http://iot.10086.cn/?l=en-usProduct
- https://github.com/pokerfacett/MY_REQUEST/blob/master/China%20Mobile%20An%20Lianbao%20WF-1%20router%20Command%20Injection5.mdExploit, Third Party Advisory
- https://www.cnvd.org.cn/flaw/show/CNVD-2021-03520Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.