CVE-2026-51643: n/a
Description
Incorrect access control in the getNtpCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain NTP configuration and current time data via 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 getNtpCfg function of TOTOLINK T6 firmware 4.1.5cu.748_B20211015. An unauthenticated attacker can exploit this flaw by sending a specially crafted POST request to the /cgi-bin/cstecgi.cgi endpoint, which results in disclosure of the device's NTP configuration and current time data. The CVSS 3.1 base score is 9.1, reflecting a critical severity with network attack vector, no privileges required, no user interaction, and high impact on confidentiality and integrity.
Potential Impact
Successful exploitation allows an unauthenticated attacker to obtain sensitive NTP configuration and current time information from the device. This could potentially aid further attacks or reconnaissance but does not directly impact availability. The confidentiality and integrity of the device's time configuration are compromised.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary mitigation has been documented at this time. Until a patch is available, restrict network access to the affected endpoint if possible.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-06-08T00:00:00.000Z
- State
- PUBLISHED
Threat ID: 6a91e407acd9273b4942e780
Added to database: 08/28/2026, 19:39:51 UTC
Last enriched: 09/07/2026, 14:39:43 UTC
Last updated: 10/11/2026, 06:48:17 UTC
Views: 26
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