CVE-2026-6028: OS Command Injection in Totolink A7100RU
CVE-2026-6028 is a critical OS command injection vulnerability in the Totolink A7100RU router firmware version 7. 4cu. 2313_b20191024. The flaw exists in the setPptpServerCfg function within the /cgi-bin/cstecgi. cgi CGI handler, where manipulation of the 'enable' argument allows remote attackers to execute arbitrary OS commands. The vulnerability can be exploited remotely without authentication. Although the exploit has been publicly disclosed, there is no official patch or remediation guidance available at this time.
AI Analysis
Technical Summary
This vulnerability affects the Totolink A7100RU router firmware 7.4cu.2313_b20191024. The issue is an OS command injection in the setPptpServerCfg function of the /cgi-bin/cstecgi.cgi CGI handler. By manipulating the 'enable' parameter, an unauthenticated remote attacker can execute arbitrary operating system commands on the device. The CVSS 4.0 base score is 9.3, indicating a critical severity with network attack vector, no privileges or user interaction required, and high impact on confidentiality, integrity, and availability. No official patch or vendor advisory is currently available.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary OS commands on the affected device without authentication, potentially leading to full compromise of the router. This can impact device confidentiality, integrity, and availability. The vulnerability is critical due to its ease of exploitation and high impact.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider disabling the vulnerable functionality if possible or isolate the device from untrusted networks to reduce exposure.
CVE-2026-6028: OS Command Injection in Totolink A7100RU
Description
CVE-2026-6028 is a critical OS command injection vulnerability in the Totolink A7100RU router firmware version 7. 4cu. 2313_b20191024. The flaw exists in the setPptpServerCfg function within the /cgi-bin/cstecgi. cgi CGI handler, where manipulation of the 'enable' argument allows remote attackers to execute arbitrary OS commands. The vulnerability can be exploited remotely without authentication. Although the exploit has been publicly disclosed, there is no official patch or remediation guidance available at this time.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects the Totolink A7100RU router firmware 7.4cu.2313_b20191024. The issue is an OS command injection in the setPptpServerCfg function of the /cgi-bin/cstecgi.cgi CGI handler. By manipulating the 'enable' parameter, an unauthenticated remote attacker can execute arbitrary operating system commands on the device. The CVSS 4.0 base score is 9.3, indicating a critical severity with network attack vector, no privileges or user interaction required, and high impact on confidentiality, integrity, and availability. No official patch or vendor advisory is currently available.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary OS commands on the affected device without authentication, potentially leading to full compromise of the router. This can impact device confidentiality, integrity, and availability. The vulnerability is critical due to its ease of exploitation and high impact.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider disabling the vulnerable functionality if possible or isolate the device from untrusted networks to reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-04-09T15:55:26.694Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69d8a14c1cc7ad14da9459e1
Added to database: 4/10/2026, 7:05:48 AM
Last enriched: 4/10/2026, 7:20:51 AM
Last updated: 4/10/2026, 9:15:29 AM
Views: 18
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