CVE-2026-51706: n/a
Description
Incorrect access control in the setSmartQosCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to degrade traffic handling 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 setSmartQosCfg function of TOTOLINK T6 4.1.5cu.748_B20211015. An unauthenticated attacker can send a specially crafted POST request to the /cgi-bin/cstecgi.cgi endpoint to degrade the device's traffic handling capabilities. The CVSS vector indicates the attack requires adjacent network access, no privileges, and no user interaction, impacting availability only.
Potential Impact
The vulnerability allows unauthenticated attackers on an adjacent network to degrade the availability of the device's traffic handling. There is no impact on confidentiality or integrity. This could result in reduced network performance or denial of service conditions affecting traffic management.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround is currently documented. Users should monitor vendor communications for updates and consider network-level controls to restrict access to the affected endpoint.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-06-08T00:00:00.000Z
- State
- PUBLISHED
Threat ID: 6a95a04dacd9273b494626f7
Added to database: 08/31/2026, 15:39:57 UTC
Last enriched: 09/07/2026, 14:32:09 UTC
Last updated: 10/13/2026, 18:48:21 UTC
Views: 25
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