Incorrect access control in the setSyslogCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to alter logging… (CVE-2026-51678)
Description
An incorrect access control vulnerability exists in the setSyslogCfg function of TOTOLINK T6 firmware version 4.1.5cu.748_B20211015. This flaw allows unauthenticated attackers to modify the device's logging behavior by sending a crafted POST request to the /cgi-bin/cstecgi.cgi endpoint. No patch or remediation information is currently available.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability in TOTOLINK T6 4.1.5cu.748_B20211015 involves improper access control in the setSyslogCfg function. Unauthenticated attackers can exploit this by sending a specially crafted POST request to the /cgi-bin/cstecgi.cgi CGI endpoint, enabling them to alter the device's logging configuration. This could potentially affect the integrity and reliability of logging on the device.
Potential Impact
Unauthenticated attackers can change logging behavior on the affected device, which may allow them to disable or manipulate logs. This could hinder forensic investigations or monitoring activities but does not explicitly indicate direct compromise or control over the device beyond logging.
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 device's management interface to trusted users only to reduce exposure.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-qfcj-fprp-6wmm
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-51678"]
Threat ID: 6a95bf00acd9273b4966770e
Added to database: 08/31/2026, 17:50:56 UTC
Last enriched: 09/08/2026, 16:23:02 UTC
Last updated: 10/16/2026, 18:48:21 UTC
Views: 72
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