by Kastro
Paper/Archive/CVE-2025-7862

CVE-2025-7862

TOTOLINK T6 — TOTOLINK T6 Telnet Service cstecgi.cgi setTelnetCfg missing authentication

EPSS 1%public exploitCVSS 9.8
critical.is priorityof 100
53
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 68.5.685 × 2013.7Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
T64.1.5cu.748_B20211015–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
VulDB (CNA)7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:W/RC:R
VulDB (CNA)7.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:W/RC:R
VulDB (CNA)6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: partial

References

writeupvuldb.com/?id.316975refvuldb.com/?ctiid.316975writeupvuldb.com/?submit.617643exploitgithub.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/5.mdexploitgithub.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/5.md#poc-httpexploityoutube.com/watch?v=XeKu3tfeSMEreftotolink.net