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HIGH · 7.5

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 ...

Vulnerability Description

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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
TrendnetTi-Pg1284I Firmware< 2.0.2.s0
TrendnetTi-Pg1284I2.0r
TrendnetTi-G102I Firmware-
TrendnetTi-G102I-
TrendnetTi-G160I Firmware-
TrendnetTi-G160I-
TrendnetTi-G642I Firmware-
TrendnetTi-G642I-
TrendnetTi-Pg102I Firmware-
TrendnetTi-Pg102I-
TrendnetTi-Pg541I Firmware-
TrendnetTi-Pg541I-
TrendnetTi-Rp262I Firmware-
TrendnetTi-Rp262I-
TrendnetTeg-30102Ws Firmware-
TrendnetTeg-30102Ws-
TrendnetTpe-30102Ws Firmware-
TrendnetTpe-30102Ws-

Related Weaknesses (CWE)

CWE-476

References

FAQ

What is CVE-2021-33317?

CVE-2021-33317 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 ...

How severe is CVE-2021-33317?

CVE-2021-33317 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-33317?

Check the references section above for vendor advisories and patch information. Affected products include: Trendnet Ti-Pg1284I Firmware, Trendnet Ti-Pg1284I, Trendnet Ti-G102I Firmware, Trendnet Ti-G102I, Trendnet Ti-G160I Firmware.