CVE-2026-51678: n/a
Description
Incorrect access control in the setSyslogCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to alter logging behavior via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
CVSS v3.1
Score 4.3medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves incorrect access control in the setSyslogCfg function of TOTOLINK T6 firmware 4.1.5cu.748_B20211015. An unauthenticated attacker can send a specially crafted POST request to the /cgi-bin/cstecgi.cgi endpoint to alter the device's logging configuration. The CVSS 3.1 vector indicates the attack requires adjacent network access (AV:A), has low attack complexity (AC:L), requires no privileges (PR:N), no user interaction (UI:N), and impacts integrity only (I:L) without affecting confidentiality or availability.
Potential Impact
The vulnerability allows an unauthenticated attacker to modify the logging behavior of the affected device, which could hinder forensic analysis or monitoring by altering or disabling logs. There is no direct impact on confidentiality or availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary workaround is currently documented. Until a patch is available, restrict network access to the device's management interface to trusted users only to reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-06-08T00:00:00.000Z
- State
- PUBLISHED
Threat ID: 6a958ab8acd9273b492f087c
Added to database: 08/31/2026, 14:07:52 UTC
Last enriched: 09/07/2026, 14:40:22 UTC
Last updated: 10/13/2026, 18:48:21 UTC
Views: 66
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