CVE-2025-7524: TOTOLINK T6 HTTP POST Request cstecgi.cgi setDiagnosisCfg command injection

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-07-13 · updated 2026-06-17
Weakness: CWE-74

Description

A vulnerability was found in TOTOLINK T6 4.1.5cu.748_B20211015. It has been classified as critical. This affects the function setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi of the component HTTP POST Request Handler. The manipulation of the argument ip leads to command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Affected products

TOTOLINK T6: v4.1.5cu.748_b20211015

References

https://github.com/ElvisBlue/Public/blob/main/Vuln/2.md
https://github.com/ElvisBlue/Public/blob/main/Vuln/2.md#poc
https://vuldb.com/?ctiid.316221
https://vuldb.com/?id.316221
https://vuldb.com/?submit.612935
https://www.totolink.net/
https://www.youtube.com/watch?v=T62BuSoHmoM
https://github.com/ElvisBlue/Public/blob/main/Vuln/2.md

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