Incorrect access control in the getNtpCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain NTP configuration… (CVE-2026-51643)
Description
An incorrect access control vulnerability exists in the getNtpCfg function of TOTOLINK T6 firmware version 4.1.5cu.748_B20211015. This flaw allows unauthenticated attackers to retrieve NTP configuration and current time data by sending a crafted POST request to the /cgi-bin/cstecgi.cgi endpoint.
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 getNtpCfg function. An attacker without authentication can exploit this by sending a specially crafted POST request to the /cgi-bin/cstecgi.cgi CGI endpoint, resulting in unauthorized disclosure of the device's NTP configuration and current time information.
Potential Impact
An unauthenticated attacker can obtain sensitive NTP configuration and current time data from the affected device. While this does not directly lead to remote code execution or device takeover, disclosure of configuration details may aid further reconnaissance or targeted attacks.
Mitigation Recommendations
No patch or official remediation information is currently available. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is provided, restrict access to the device's management interfaces and monitor for suspicious POST requests to /cgi-bin/cstecgi.cgi.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-qr9r-gw2q-g279
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-51643"]
Threat ID: 6a92f7f5acd9273b49e83b18
Added to database: 08/29/2026, 15:17:09 UTC
Last enriched: 09/09/2026, 19:53:06 UTC
Last updated: 10/11/2026, 18:48:20 UTC
Views: 21
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