CVE-2023-31729
CWE-77Published: May 18, 2023· Updated: Jul 9, 2026
Official Description
TOTOLINK A3300R v17.0.0cu.557 is vulnerable to Command Injection via /cgi-bin/cstecgi.cgi.
Risk Analysis
The TOTOLINK A3300R router is susceptible to command injection, which could allow an unauthenticated attacker to execute arbitrary commands on the device. With a CVSS score of 9.8, this represents a critical risk to the security of the network infrastructure.
No public exploit is currently known, and the vulnerability is not in the CISA KEV. It is remotely exploitable with low attack complexity.
Users should update the device firmware to a version beyond 17.0.0cu.557 if available and restrict access to the management interface.
Technical Analysis
CVE-2023-31729 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
All References (5)
Quick Facts
Related CVEs (CWE-77)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-31729 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts