CVE-2026-51735: n/a
Description
Incorrect access control in the showSyslog function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to retrieve recent system logs via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
CVSS v3.1
Score 7.5high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability CVE-2026-51735 affects TOTOLINK T6 version 4.1.5cu.748_B20211015. Due to improper access control in the showSyslog function, unauthenticated attackers can send a specially crafted POST request to the /cgi-bin/cstecgi.cgi endpoint to retrieve recent system logs. This exposure of system logs can lead to leakage of sensitive information. The CVSS v3.1 base score is 7.5, reflecting a network attack vector, low attack complexity, no privileges required, no user interaction, and high confidentiality impact with no integrity or availability impact. There is no vendor advisory or patch information available at this time.
Potential Impact
An attacker can remotely retrieve recent system logs without authentication, leading to potential exposure of sensitive information contained in those logs. This compromises confidentiality but does not affect integrity or availability of the device or its services.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict network access to the affected endpoint and monitor for suspicious POST requests targeting /cgi-bin/cstecgi.cgi. Avoid exposing the device to untrusted networks.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-06-08T00:00:00.000Z
- State
- PUBLISHED
Threat ID: 6a95d485acd9273b497d9e24
Added to database: 08/31/2026, 19:22:45 UTC
Last enriched: 09/07/2026, 15:00:16 UTC
Last updated: 10/14/2026, 18:48:21 UTC
Views: 96
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