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MitreCVE-2021-45997

HistoryFeb 04, 2022 - 2:15 a.m.

CVE-2021-45997

2022-02-0402:15:09

CWE-787

mitre

web.nvd.nist.gov

cve-2021-45997

tenda routers

stack overflow

dos

nvd

CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

39.5%

JSON

Tenda routers G1 and G3 v15.11.0.17(9502)_CN were discovered to contain a stack overflow in the function formSetPortMapping. This vulnerability allows attackers to cause a Denial of Service (DoS) via the portMappingServer, portMappingProtocol, portMappingWan, porMappingtInternal, and portMappingExternal parameters.

Affected configurations

Nvd

Node

tendacng1_firmwareMatch15.11.0.17\(9502\)_cn

AND

tendacng1Match-

Node

tendacng3_firmwareMatch15.11.0.17\(9502\)_cn

AND

tendacng3Match-

VendorProductVersionCPE
tendacng1_firmware15.11.0.17(9502)_cncpe:2.3:o:tendacn:g1_firmware:15.11.0.17\(9502\)_cn:*:*:*:*:*:*:*
tendacng1-cpe:2.3:h:tendacn:g1:-:*:*:*:*:*:*:*
tendacng3_firmware15.11.0.17(9502)_cncpe:2.3:o:tendacn:g3_firmware:15.11.0.17\(9502\)_cn:*:*:*:*:*:*:*
tendacng3-cpe:2.3:h:tendacn:g3:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
tendacn	g1_firmware	15.11.0.17(9502)_cn	cpe:2.3:o:tendacn:g1_firmware:15.11.0.17\(9502\)_cn:::::::*
tendacn	g1	-	cpe:2.3:h:tendacn:g1:-:::::::*
tendacn	g3_firmware	15.11.0.17(9502)_cn	cpe:2.3:o:tendacn:g3_firmware:15.11.0.17\(9502\)_cn:::::::*
tendacn	g3	-	cpe:2.3:h:tendacn:g3:-:::::::*

References

github.com/pjqwudi/my_vuln/blob/main/Tenda/vuln_11/11.md

CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

39.5%

JSON

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