Vulnerability · Published Jul 8, 2025 · Assigned by VulDB

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

Medium 6.3

In plain English

A medium-severity OS command injection in N200RE from TOTOLINK. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 2.4% (higher than 84% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium

Exploit odds (30 days)2.4%top 16.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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 (as reported)

Vendor	Product	Versions
TOTOLINK	N200RE	9.3.5u.6095_B202009169.3.5u.6139_B20201216

Weakness: CWE-78, CWE-77 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-315092 | TOTOLINK N200RE cstecgi.cgi sub_41A0F8 os command injection vdb-entry, technical-description
VDB-315092 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #606230 | TOTOLINK N200RE V5_V9.3.5u.5812_B20200414 OS Command Injection third-party-advisory
https://github.com/FLY200503/IoT-vul/blob/master/Totolink/N200RE/README.md exploit
https://www.totolink.net/ product