Vulnerability · Published Sep 3, 2025 · Assigned by VulDB
CVE-2025-9935TOTOLINK N600R cstecgi.cgi sub_4159F8 command injection
High 7.3
In plain English
A high-severity command injection in N600R from TOTOLINK. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 2.7% (higher than 86% of all known vulnerabilities).
Severity (CVSS 3.1)7.3High
Exploit odds (30 days)2.7%top 13.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability was determined in TOTOLINK N600R 4.3.0cu.7866_B20220506. This vulnerability affects the function sub_4159F8 of the file /web_cste/cgi-bin/cstecgi.cgi. Executing manipulation can lead to command injection. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized.
Affected products (as reported)
Weakness: CWE-77, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-322337 | TOTOLINK N600R cstecgi.cgi sub_4159F8 command injection vdb-entry, technical-description
- VDB-322337 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #643088 | Shenzhen Shengshi Zhongtang Technology Co., Ltd..(TOTOLINK) TOTOLINK N600R V4.3.0cu.7866_B20220506 Unauthorized Command Injection third-party-advisory
- https://github.com/mono7s/TOTOLINK/blob/main/N600R/TOTOLINK%20N600R%20Unauthorized_Command_Injection.md exploit
- https://www.totolink.net/ product