CVE-2025-7154: TOTOLINK N200RE cstecgi.cgi sub_41A0F8 os command injection

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-07-08 · updated 2026-06-17
Weakness: CWE-77

Description

A vulnerability, which was classified as critical, has been found in TOTOLINK N200RE 9.3.5u.6095_B20200916/9.3.5u.6139_B20201216. Affected by this issue is the function sub_41A0F8 of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument Hostname leads to os command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Affected products

Totolink N200RE: 9.3.5u.6095_b20200916, 9.3.5u.6139_b20201216

References

https://github.com/FLY200503/IoT-vul/blob/master/Totolink/N200RE/README.md
https://vuldb.com/?ctiid.315092
https://vuldb.com/?id.315092
https://vuldb.com/?submit.606230
https://www.totolink.net/
https://github.com/FLY200503/IoT-vul/blob/master/Totolink/N200RE/README.md

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