The TRENDnet TI-PG1284i switch(hw v2.0R) prior to version 2.0.2.S0 suffers from an…
Priority MEDIUM 44CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
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 PortID 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.
Why it matters now
EPSS 0.01068 65th 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-2021-33315
- 2026-10-03 Alias added: GHSA-99r9-46f4-q5v5
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-2021-12792 The TRENDnet TI-PG1284i switch(hw v2.0R) prior to version 2.0.2.S0 suffers from a null… CVSS 3.1HIGH 7.5
Sources
- CVE-2021-33315 · CVE Program
- CVE-2021-33315 · NVD
- FIRST EPSS
- GHSA-99r9-46f4-q5v5 · 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