The TRENDnet TI-PG1284i switch(hw v2.0R) prior to version 2.0.2.S0 suffers from a null…
Priority LOW 35CWE-476Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-476.
Summary
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.
Why it matters now
EPSS 0.0093 60th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 18
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:trendnet:ti-pg1284i_firmware:*:*:*:*:*:*:*:* | before 2.0.2.s0 | Vulnerable | TRENDnet |
| cpe:2.3:h:trendnet:ti-pg1284i:2.0r:*:*:*:*:*:*:* | 2.0r | Running on | TRENDnet |
| cpe:2.3:o:trendnet:ti-g102i_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | TRENDnet |
| cpe:2.3:h:trendnet:ti-g102i:-:*:*:*:*:*:*:* | not specified by NVD | Running on | TRENDnet |
| cpe:2.3:o:trendnet:ti-g160i_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | TRENDnet |
| cpe:2.3:h:trendnet:ti-g160i:-:*:*:*:*:*:*:* | not specified by NVD | Running on | TRENDnet |
| cpe:2.3:o:trendnet:ti-g642i_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | TRENDnet |
| cpe:2.3:h:trendnet:ti-g642i:-:*:*:*:*:*:*:* | not specified by NVD | Running on | TRENDnet |
| cpe:2.3:o:trendnet:ti-pg102i_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | TRENDnet |
| cpe:2.3:h:trendnet:ti-pg102i:-:*:*:*:*:*:*:* | not specified by NVD | Running on | TRENDnet |
- cpe:2.3:o:trendnet:ti-pg1284i_firmware:*:*:*:*:*:*:*:* Versions before 2.0.2.s0 Vulnerable ·TRENDnet
- cpe:2.3:h:trendnet:ti-pg1284i:2.0r:*:*:*:*:*:*:* Versions 2.0r Running on ·TRENDnet
- cpe:2.3:o:trendnet:ti-g102i_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·TRENDnet
- cpe:2.3:h:trendnet:ti-g102i:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TRENDnet
- cpe:2.3:o:trendnet:ti-g160i_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·TRENDnet
- cpe:2.3:h:trendnet:ti-g160i:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TRENDnet
- cpe:2.3:o:trendnet:ti-g642i_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·TRENDnet
- cpe:2.3:h:trendnet:ti-g642i:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TRENDnet
- cpe:2.3:o:trendnet:ti-pg102i_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·TRENDnet
- cpe:2.3:h:trendnet:ti-pg102i:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TRENDnet
Show 8 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:trendnet:ti-pg541i_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | TRENDnet |
| cpe:2.3:h:trendnet:ti-pg541i:-:*:*:*:*:*:*:* | not specified by NVD | Running on | TRENDnet |
| cpe:2.3:o:trendnet:ti-rp262i_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | TRENDnet |
| cpe:2.3:h:trendnet:ti-rp262i:-:*:*:*:*:*:*:* | not specified by NVD | Running on | TRENDnet |
| cpe:2.3:o:trendnet:teg-30102ws_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | TRENDnet |
| cpe:2.3:h:trendnet:teg-30102ws:-:*:*:*:*:*:*:* | not specified by NVD | Running on | TRENDnet |
| cpe:2.3:o:trendnet:tpe-30102ws_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | TRENDnet |
| cpe:2.3:h:trendnet:tpe-30102ws:-:*:*:*:*:*:*:* | not specified by NVD | Running on | TRENDnet |
- cpe:2.3:o:trendnet:ti-pg541i_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·TRENDnet
- cpe:2.3:h:trendnet:ti-pg541i:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TRENDnet
- cpe:2.3:o:trendnet:ti-rp262i_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·TRENDnet
- cpe:2.3:h:trendnet:ti-rp262i:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TRENDnet
- cpe:2.3:o:trendnet:teg-30102ws_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·TRENDnet
- cpe:2.3:h:trendnet:teg-30102ws:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TRENDnet
- cpe:2.3:o:trendnet:tpe-30102ws_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·TRENDnet
- cpe:2.3:h:trendnet:tpe-30102ws:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TRENDnet
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-33317
- 2026-10-03 Alias added: GHSA-mp5j-gcgv-qr44
References
More TRENDnet Teg-30102ws Firmware vulnerabilities
- TI-2021-12791 The TRENDnet TI-PG1284i switch(hw v2.0R) prior to version 2.0.2.S0 suffers from an… CVSS 3.1CRITICAL 9.8
- TI-2021-12790 The TRENDnet TI-PG1284i switch(hw v2.0R) prior to version 2.0.2.S0 suffers from an… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2021-33317 · CVE Program
- CVE-2021-33317 · NVD
- FIRST EPSS
- GHSA-mp5j-gcgv-qr44 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences