CVE-2021-45989

Tenda routers G1 and G3 v15.11.0.17(9502)_CN were discovered to contain a stack overflow in the function guestWifiRuleRefresh. This vulnerability allows attackers to cause a Denial of Service (DoS) via the qosGuestUpstream and qosGuestDownstream parameters.

CVSS v3 7.5 HIGH
CVSS v2.0 7.8 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

7.8^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/pjqwudi/my_vuln/blob/main/Tenda/vuln_4/4.md	Broken Link
https://exchange.xforce.ibmcloud.com/vulnerabilities/218959	Third Party Advisory
https://github.com/pjqwudi/my_vuln/blob/main/Tenda/vuln_4/4.md	Broken Link

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tendacn:g1_firmware:15.11.0.17\(9502\)_cn:*:*:*:*:*:*:*

cpe:2.3:h:tendacn:g1:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:tendacn:g3_firmware:15.11.0.17\(9502\)_cn:*:*:*:*:*:*:*

cpe:2.3:h:tendacn:g3:-:*:*:*:*:*:*:*

History

21 Nov 2024, 06:33

Type	Values Removed	Values Added
References	~~() https://github.com/pjqwudi/my_vuln/blob/main/Tenda/vuln_4/4.md - Broken Link~~	() https://github.com/pjqwudi/my_vuln/blob/main/Tenda/vuln_4/4.md - Broken Link

Information

Published : 2022-02-04 02:15

Updated : 2024-11-21 06:33

NVD link : CVE-2021-45989

Mitre link : CVE-2021-45989

CVE.ORG link : CVE-2021-45989

JSON object : View

Products Affected

tendacn

g1
g3
g3_firmware
g1_firmware

CWE

CWE-787

Out-of-bounds Write

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