CVE-2021-45987
Tenda routers G1 and G3 v15.11.0.17(9502)_CN were discovered to contain a command injection vulnerability in the function formSetNetCheckTools.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.87%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Tenda routers G1 and G3 v15.11.0.17(9502)_CN were discovered to contain a command injection vulnerability in the function formSetNetCheckTools. This vulnerability allows attackers to execute arbitrary commands via the hostName 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
- 1.87% probability · 79th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-78
- Affected
- tendacn/g1 firmware · tendacn/g3 firmware
- Source
- cve@mitre.org
EPSS 1.9% 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.