CVE-2021-27691
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductTendacn G0 Firmware
PublishedApr 16, 2021
First seenApr 16, 2021
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| tendacn g0_firmware | 15.11.0.5\(5876\)_cn, 15.11.0.6\(9039\)_cn | — |
| tendacn g1_firmware | 15.11.0.16\(9024\)_cn, 15.11.0.17\(9502\)_cn | — |
| tendacn g3_firmware | 15.11.0.16\(9024\)_cn, 15.11.0.17\(9502\)_cn | — |
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