CVE-2026-76582: Command Injection in TRENDnet TEW-821DAP
CVE-2026-76582 is a command injection vulnerability in the TRENDnet TEW-821DAP router version 2.2.01b05. The flaw exists in the /cgi-bin/ping.cgi script's handling of the ipaddr parameter, allowing remote attackers to execute arbitrary commands via manipulation of this argument. The vulnerability has a medium severity score of 5.3 and has been publicly disclosed. No official patch or remediation information is provided in the available data.
AI Analysis
Technical Summary
The TRENDnet TEW-821DAP router version 2.2.01b05 contains a command injection vulnerability in the popen/system function within the /cgi-bin/ping.cgi file's ssi component. By manipulating the ipaddr argument, an attacker can remotely execute arbitrary commands on the device. This vulnerability has been publicly disclosed and carries a CVSS 4.0 base score of 5.3, indicating medium severity. There is no information about an available patch or vendor advisory in the provided data.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary commands on the affected device, potentially compromising the router's integrity and confidentiality. This could lead to unauthorized control or disruption of network operations. However, no known exploits are reported in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict access to the device's management interface and monitor for suspicious activity related to the ping.cgi endpoint.
CVE-2026-76582: Command Injection in TRENDnet TEW-821DAP
Description
CVE-2026-76582 is a command injection vulnerability in the TRENDnet TEW-821DAP router version 2.2.01b05. The flaw exists in the /cgi-bin/ping.cgi script's handling of the ipaddr parameter, allowing remote attackers to execute arbitrary commands via manipulation of this argument. The vulnerability has a medium severity score of 5.3 and has been publicly disclosed. No official patch or remediation information is provided in the available data.
CVSS v4.0
Score 5.3medium
Affected software
TRENDnet
TEW-821DAP
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The TRENDnet TEW-821DAP router version 2.2.01b05 contains a command injection vulnerability in the popen/system function within the /cgi-bin/ping.cgi file's ssi component. By manipulating the ipaddr argument, an attacker can remotely execute arbitrary commands on the device. This vulnerability has been publicly disclosed and carries a CVSS 4.0 base score of 5.3, indicating medium severity. There is no information about an available patch or vendor advisory in the provided data.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary commands on the affected device, potentially compromising the router's integrity and confidentiality. This could lead to unauthorized control or disruption of network operations. However, no known exploits are reported in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict access to the device's management interface and monitor for suspicious activity related to the ping.cgi endpoint.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-08-19T14:08:06.621Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a861421acd9273b4997c7f7
Added to database: 08/19/2026, 20:37:53 UTC
Last enriched: 09/11/2026, 07:33:01 UTC
Last updated: 10/03/2026, 14:46:10 UTC
Views: 106
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