RCE in Chinamobile An Lianbao Wf-1
CVE-2021-33964
China Mobile An Lianbao WF-1 V1.0.1 router provides a web interface /api/ZRRuleFilter/set_firewall_level which receives parameters by POST request, and the parameter firewall_level has a command injection vulnerability. An attacker can use the vulnerability to execute remote commands.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.029 (86.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: 0.000
Affected products
- Chinamobile An Lianbao Wf-1
- Chinamobile An Lianbao Wf-1 Firmware — versions 1.0.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.ebuy7.com/item/china-mobile-wireless-router-qualcomm-qiki-wifi6-routing-mes… (Broken Link)
- iot.10086.cn/ (Product, Vendor Advisory)
- www.cnvd.org.cn/flaw/show/CNVD-2021-03520 (VDB Entry, Third Party Advisory)
- github.com/pokerfacett/MY_CVE_CREDIT/blob/master/China Mobile An Lianbao WF-1 r… (Broken Link)
Frequently asked questions
- What is CVE-2021-33964?
- CVE-2021-33964 is a high-severity vulnerability in Chinamobile An Lianbao Wf-1, classified under Command Injection. CVSS score: 8.8/10. Published 2022-01-18.
- How severe is CVE-2021-33964?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-33964 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.