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[email protected]NVD:CVE-2021-33316

HistoryMay 11, 2022 - 6:15 p.m.

CVE-2021-33316

2022-05-1118:15:22

CWE-20

[email protected]

web.nvd.nist.gov

trendnet switch

integer underflow

buffer overflow

lldp component

cve-2021-33316

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

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

EPSS

0.002

Percentile

61.0%

JSON

The TRENDnet TI-PG1284i switch(hw v2.0R) prior to version 2.0.2.S0 suffers from an integer underflow vulnerability. This vulnerability exists in its lldp related component. Due to lack of proper validation on length field of ChassisID TLV, by sending a crafted lldp packet to the device, integer underflow would occur and the negative number will be passed to memcpy() later, which may cause buffer overflow or invalid memory access.

Affected configurations

Nvd

Node

trendnetti-pg1284i_firmwareRange<2.0.2.s0

AND

trendnetti-pg1284iMatch2.0r

Node

trendnetti-g102i_firmwareMatch-

AND

trendnetti-g102iMatch-

Node

trendnetti-g160i_firmwareMatch-

AND

trendnetti-g160iMatch-

Node

trendnetti-g642i_firmwareMatch-

AND

trendnetti-g642iMatch-

Node

trendnetti-pg102i_firmwareMatch-

AND

trendnetti-pg102iMatch-

Node

trendnetti-pg541i_firmwareMatch-

AND

trendnetti-pg541iMatch-

Node

trendnetti-rp262i_firmwareMatch-

AND

trendnetti-rp262iMatch-

Node

trendnetteg-30102ws_firmwareMatch-

AND

trendnetteg-30102wsMatch-

Node

trendnettpe-30102ws_firmwareMatch-

AND

trendnettpe-30102wsMatch-

VendorProductVersionCPE
trendnetti-pg1284i_firmware*cpe:2.3:o:trendnet:ti-pg1284i_firmware:*:*:*:*:*:*:*:*
trendnetti-pg1284i2.0rcpe:2.3:h:trendnet:ti-pg1284i:2.0r:*:*:*:*:*:*:*
trendnetti-g102i_firmware-cpe:2.3:o:trendnet:ti-g102i_firmware:-:*:*:*:*:*:*:*
trendnetti-g102i-cpe:2.3:h:trendnet:ti-g102i:-:*:*:*:*:*:*:*
trendnetti-g160i_firmware-cpe:2.3:o:trendnet:ti-g160i_firmware:-:*:*:*:*:*:*:*
trendnetti-g160i-cpe:2.3:h:trendnet:ti-g160i:-:*:*:*:*:*:*:*
trendnetti-g642i_firmware-cpe:2.3:o:trendnet:ti-g642i_firmware:-:*:*:*:*:*:*:*
trendnetti-g642i-cpe:2.3:h:trendnet:ti-g642i:-:*:*:*:*:*:*:*
trendnetti-pg102i_firmware-cpe:2.3:o:trendnet:ti-pg102i_firmware:-:*:*:*:*:*:*:*
trendnetti-pg102i-cpe:2.3:h:trendnet:ti-pg102i:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
trendnet	ti-pg1284i_firmware	*	cpe:2.3:o:trendnet:ti-pg1284i_firmware::::::::
trendnet	ti-pg1284i	2.0r	cpe:2.3:h:trendnet:ti-pg1284i:2.0r:::::::*
trendnet	ti-g102i_firmware	-	cpe:2.3:o:trendnet:ti-g102i_firmware:-:::::::*
trendnet	ti-g102i	-	cpe:2.3:h:trendnet:ti-g102i:-:::::::*
trendnet	ti-g160i_firmware	-	cpe:2.3:o:trendnet:ti-g160i_firmware:-:::::::*
trendnet	ti-g160i	-	cpe:2.3:h:trendnet:ti-g160i:-:::::::*
trendnet	ti-g642i_firmware	-	cpe:2.3:o:trendnet:ti-g642i_firmware:-:::::::*
trendnet	ti-g642i	-	cpe:2.3:h:trendnet:ti-g642i:-:::::::*
trendnet	ti-pg102i_firmware	-	cpe:2.3:o:trendnet:ti-pg102i_firmware:-:::::::*
trendnet	ti-pg102i	-	cpe:2.3:h:trendnet:ti-pg102i:-:::::::*

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References

www.trendnet.com/support/view.asp?cat=4&id=81

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

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

EPSS

0.002

Percentile

61.0%

JSON

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