Vulnerability · Published Mar 30, 2026 · Assigned by VulDB
CVE-2026-5104Totolink A3300R cstecgi.cgi setStaticRoute command injection
Medium 6.3
In plain English
A medium-severity command injection in A3300R from Totolink. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 2.8% (higher than 86% of all known vulnerabilities).
Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)2.8%top 13.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A security vulnerability has been detected in Totolink A3300R 17.0.0cu.557_b20221024. Impacted is the function setStaticRoute of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument ip leads to command injection. The attack may be performed from remote. The exploit has been disclosed publicly and may be used.
Affected products (as reported)
Weakness: CWE-77, CWE-74 · 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-354129 | Totolink A3300R cstecgi.cgi setStaticRoute command injection vdb-entry, technical-description
- VDB-354129 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #779142 | Totolink A3300R 17.0.0cu.557_b20221024 Command Injection third-party-advisory
- https://github.com/LvHongW/Vuln-of-totolink_A3300R/tree/main/A3300R_ip_cmd_inject exploit
- https://www.totolink.net/ product