Vulnerability · Published Apr 6, 2026 · Assigned by VulDB
CVE-2026-5678Totolink A7100RU cstecgi.cgi setScheduleCfg os command injection
High 7.3
In plain English
A high-severity OS command injection in A7100RU from Totolink. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 71% of all known vulnerabilities).
Severity (CVSS 3.1)7.3High
Exploit odds (30 days)1.3%top 29.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A weakness has been identified in Totolink A7100RU 7.4cu.2313_b20191024. The affected element is the function setScheduleCfg of the file /cgi-bin/cstecgi.cgi. Executing a manipulation of the argument mode can lead to os command injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.
Affected products (as reported)
Weakness: CWE-78, CWE-77 · 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-355505 | Totolink A7100RU cstecgi.cgi setScheduleCfg os command injection vdb-entry, technical-description
- VDB-355505 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #792608 | Totolink A7100RU 7.4cu.2313_b20191024 Command Injection third-party-advisory
- https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_185/README.md exploit
- https://www.totolink.net/ product