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cve[email protected]CVE-2021-27692
HistoryApr 16, 2021 - 12:15 a.m.

CVE-2021-27692

2021-04-1600:15:12
CWE-119
CWE-78
web.nvd.nist.gov
49
4
cve-2021-27692
tenda
g1 router
g3 router
command injection
firmware vulnerability
remote attack
os command execution
nvd

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.8 High

AI Score

Confidence

High

10 High

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

0.003 Low

EPSS

Percentile

70.4%

Command Injection in 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/umountUSBPartition” request. This occurs because the “formSetUSBPartitionUmount” function executes the “doSystemCmd” function with untrusted input.

Affected configurations

NVD
Node
tendacng1_firmwareMatch15.11.0.16\(9024\)_cn
OR
tendacng1_firmwareMatch15.11.0.17\(9502\)_cn
AND
tendacng1Match-
Node
tendacng3_firmwareMatch15.11.0.16\(9024\)_cn
OR
tendacng3_firmwareMatch15.11.0.17\(9502\)_cn
AND
tendacng3Match-

Social References

More

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.8 High

AI Score

Confidence

High

10 High

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

0.003 Low

EPSS

Percentile

70.4%

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