CVE-2021-27691 - CVE House
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Status published Critical CVE-2021-27691

Command Injection in Tenda G0 routers with firmware versions v15.11.0.6(9039)_CN...

Vulnerability Description

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 arbitrary OS commands via a crafted action/setDebugCfg request. This occurs because the "formSetDebugCfg" function executes glibc's system function with untrusted input.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

g0 firmware, g1 firmware, g3 firmware
Vulnerable Versions:
15.11.0.5\(5876\)_cn, 15.11.0.6\(9039\)_cn, 15.11.0.16\(9024\)_cn, 15.11.0.17\(9502\)_cn

Timeline

Official Publish: April 15th, 2021
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.