CVE-2026-51672: n/a
Description
CVE-2026-51672 is a critical vulnerability in TOTOLINK T6 firmware version 4.1.5cu.748_B20211015. It involves incorrect access control in the getRoamingCfg function, allowing unauthenticated attackers to retrieve the roaming enablement flag by sending a crafted POST request to /cgi-bin/cstecgi.cgi.
CVSS v3.1
Score 9.1critical
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability arises from improper access control in the getRoamingCfg function of TOTOLINK T6 firmware 4.1.5cu.748_B20211015. An attacker without authentication can exploit this flaw by sending a specially crafted POST request to the /cgi-bin/cstecgi.cgi endpoint, which results in disclosure of the roaming enablement flag. The CVSS 3.1 base score is 9.1, indicating critical severity with network attack vector, no privileges required, no user interaction, and high impact on confidentiality and integrity but no impact on availability.
Potential Impact
An unauthenticated attacker can obtain sensitive configuration information (the roaming enablement flag) from the device. This could potentially aid further attacks or unauthorized configuration changes. The vulnerability does not directly impact availability but has high confidentiality and integrity impact.
Mitigation Recommendations
No patch or official fix information is currently available. 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.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-494p-2hmj-hm68
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-51672"]
Threat ID: 6a95bf04acd9273b49667794
Added to database: 08/31/2026, 17:51:00 UTC
Last enriched: 09/07/2026, 22:52:28 UTC
Last updated: 10/15/2026, 18:48:21 UTC
Views: 81
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