Vulnerability Details : CVE-2021-33317
The TRENDnet TI-PG1284i switch(hw v2.0R) prior to version 2.0.2.S0 suffers from a null pointer dereference vulnerability. This vulnerability exists in its lldp related component. Due to fail to check if ChassisID TLV is contained in the packet, by sending a crafted lldp packet to the device, an attacker can crash the process due to null pointer dereference.
Vulnerability category: Memory Corruption
Products affected by CVE-2021-33317
- cpe:2.3:o:trendnet:ti-pg1284i_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:trendnet:ti-g102i_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:trendnet:ti-g160i_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:trendnet:ti-g642i_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:trendnet:ti-pg102i_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:trendnet:ti-pg541i_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:trendnet:ti-rp262i_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:trendnet:teg-30102ws_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:trendnet:tpe-30102ws_firmware:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-33317
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 37 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-33317
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-33317
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-33317
-
https://www.trendnet.com/support/view.asp?cat=4&id=81
Warranty Policy | TRENDnetPatch;Vendor Advisory
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