Critical severity9.8NVD Advisory· Published May 11, 2022· Updated Jun 17, 2026
CVE-2021-33316
CVE-2021-33316
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
11- cpe:2.3:o:trendnet:teg-30102ws_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:tpe-30102ws_firmware:-:*:*:*:*:*:*:*
- TRENDnet/TI-PG1284i switchdescription
- Range: <2.0.2.S0
Patches
Vulnerability mechanics
References
1- www.trendnet.com/support/view.aspnvdPatchVendor Advisory
News mentions
0No linked articles in our index yet.