What is CVE-2021-27691?

CVE-2021-27691 is a critical-severity vulnerability in Tendacn G0, classified under OS Command Injection. CVSS score: 9.8/10. Published 2021-04-16.

How severe is CVE-2021-27691?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Tendacn G0

CVE-2021-27691

Command Injection in Tenda G0 routers with firmware versions v15.11.0.6(9039)_CN and v15.11.0.5(5876)_CN , and Tenda G1 and G3 routers with firmware versions v15.11.0.17(9502)_CN or v15.11.0.16(9024)_CN allows remote attackers to execute a…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.252 (97.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Tendacn G0
Tendacn G0_firmware — versions 15.11.0.5\(5876\)_cn, 15.11.0.6\(9039\)_cn
Tendacn G1
Tendacn G1_firmware — versions 15.11.0.16\(9024\)_cn, 15.11.0.17\(9502\)_cn
Tendacn G3
Tendacn G3_firmware — versions 15.11.0.16\(9024\)_cn, 15.11.0.17\(9502\)_cn
N/a — versions n/a

Weakness classification (CWE)

References

cve@mitre.org (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-27691?: CVE-2021-27691 is a critical-severity vulnerability in Tendacn G0, classified under OS Command Injection. CVSS score: 9.8/10. Published 2021-04-16.
How severe is CVE-2021-27691?: Critical severity. CVSS v3 base score is 9.8 out of 10.