CVE-2025-7525: TOTOLINK T6 HTTP POST Request cstecgi.cgi setTracerouteCfg 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 declared as critical. This vulnerability affects the function setTracerouteCfg of the file /cgi-bin/cstecgi.cgi of the component HTTP POST Request Handler. The manipulation of the argument command leads to command injection. The attack can be initiated 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/3.md
https://github.com/ElvisBlue/Public/blob/main/Vuln/3.md#poc
https://vuldb.com/?ctiid.316222
https://vuldb.com/?id.316222
https://vuldb.com/?submit.612936
https://www.totolink.net/
https://youtu.be/GawLaYfTwYs
https://github.com/ElvisBlue/Public/blob/main/Vuln/3.md#poc

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