Incorrect access control in the setLedCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to modify LED behavior via… (CVE-2026-51680)
Description
An incorrect access control vulnerability exists in the setLedCfg function of TOTOLINK T6 firmware version 4.1.5cu.748_B20211015. This flaw allows unauthenticated attackers to modify the LED behavior by sending a specially crafted POST request to the /cgi-bin/cstecgi.cgi endpoint. No CVSS score or detailed impact metrics are available. There is no information about available patches or vendor advisories. The vulnerability does not affect cloud services and no known exploits are reported in the wild.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The TOTOLINK T6 firmware version 4.1.5cu.748_B20211015 contains an access control vulnerability in the setLedCfg function. This vulnerability permits unauthenticated attackers to change LED behavior by sending crafted POST requests to the /cgi-bin/cstecgi.cgi endpoint. The vulnerability is identified as CVE-2026-51680. No further technical details, such as exploitation complexity or impact beyond LED modification, are provided. No patch or remediation information is available from the source data.
Potential Impact
The vulnerability allows unauthenticated attackers to modify LED behavior on the affected device. There is no evidence from the provided data that this leads to further compromise or impacts device functionality beyond LED configuration. No known exploits are reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, consider restricting 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-qrmm-v4pr-7cm8
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-51680"]
Threat ID: 6a95bf00acd9273b4966770c
Added to database: 08/31/2026, 17:50:56 UTC
Last enriched: 09/08/2026, 16:23:06 UTC
Last updated: 10/16/2026, 18:48:21 UTC
Views: 66
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