CVE-2021-33316: Input Validation
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 Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the vulnerability ID for this vulnerability?
The vulnerability ID for this vulnerability is CVE-2021-33316.
What is the severity level of CVE-2021-33316?
The severity level of CVE-2021-33316 is critical.
What is the affected software for CVE-2021-33316?
The affected software for CVE-2021-33316 is the TRENDnet TI-PG1284i switch(hw v2.0R) prior to version 2.0.2.S0.
How does CVE-2021-33316 occur?
CVE-2021-33316 occurs due to an integer underflow vulnerability in the lldp related component of the TRENDnet TI-PG1284i switch(hw v2.0R).
Is there a fix available for CVE-2021-33316?
Yes, a fix is available for CVE-2021-33316 in version 2.0.2.S0 of the TRENDnet TI-PG1284i switch(hw v2.0R) firmware.