CVE-2021-33316
Quick assessment
Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
TRENDnet TI-PG Series是美国趋势网络（TRENDnet）公司的一系列交换机。 TRENDnet TI-PG1284i 2.0.2.S0 之前版本存在输入验证错误漏洞，该漏洞源于其 lldp 相关组件中存在缓冲区溢出问题。
Possible ATT&CK Techniques 2 AI
T1068 · Exploitation for Privilege Escalation T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-33316
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
TRENDnet TI-PG Series 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TRENDnet TI-PG Series是美国趋势网络（TRENDnet）公司的一系列交换机。 TRENDnet TI-PG1284i 2.0.2.S0 之前版本存在输入验证错误漏洞，该漏洞源于其 lldp 相关组件中存在缓冲区溢出问题。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2021-33316
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2021-33316 (1)
-
https://www.trendnet.com/support/view.asp?cat=4&id=81 x_refsource_MISC
Same Patch Batch · n/a · 2022-05-11 · 61 CVEs total
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| CVE-2021-42651 | Pentest-Collaboration-Framework 代码注入漏洞 | |
| CVE-2022-23137 | ZTE ZXCDN 跨站脚本漏洞 | |
| CVE-2022-22975 | VMware Pinniped 注入漏洞 | |
| CVE-2021-3611 | QEMU 缓冲区错误漏洞 | |
| CVE-2021-30361 | Check Point Gaia Portal 操作系统命令注入漏洞 | |
| CVE-2022-30040 | Tenda AX1803 缓冲区错误漏洞 | |
| CVE-2021-33315 | TRENDnet TI-PG Series 输入验证错误漏洞 |
Showing top 20 of 61 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-33316
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