Vulnerability Description
A vulnerability has been found in TOTOLINK T6 4.1.5cu.748_B20211015 and classified as critical. Affected by this vulnerability is the function setTelnetCfg of the file /cgi-bin/cstecgi.cgi of the component Telnet Service. The manipulation of the argument telnet_enabled with the input 1 leads to missing authentication. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Totolink | T6 Firmware | v4.1.5cu.748_b20211015 |
| Totolink | T6 | 3 |
Related Weaknesses (CWE)
References
- https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/5.mdExploitThird Party Advisory
- https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/5.md#poc-httpExploitThird Party Advisory
- https://vuldb.com/?ctiid.316975Permissions Required
- https://vuldb.com/?id.316975Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.617643Third Party AdvisoryVDB Entry
- https://www.totolink.net/Product
- https://www.youtube.com/watch?v=XeKu3tfeSMEExploit
- https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/5.mdExploitThird Party Advisory
- https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/5.md#poc-httpExploitThird Party Advisory
- https://www.youtube.com/watch?v=XeKu3tfeSMEExploit
FAQ
What is CVE-2025-7862?
CVE-2025-7862 is a vulnerability with a CVSS score of 7.3 (HIGH). A vulnerability has been found in TOTOLINK T6 4.1.5cu.748_B20211015 and classified as critical. Affected by this vulnerability is the function setTelnetCfg of the file /cgi-bin/cstecgi.cgi of the comp...
How severe is CVE-2025-7862?
CVE-2025-7862 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-7862?
Check the references section above for vendor advisories and patch information. Affected products include: Totolink T6 Firmware, Totolink T6.