CVE-2023-24140
CWE-77Published: February 3, 2023· Updated: Jun 17, 2026
Official Description
TOTOLINK CA300-PoE V6.2c.884 was discovered to contain a command injection vulnerability via the NetDiagPingNum parameter in the setNetworkDiag function.
Risk Analysis
A command injection vulnerability exists in the setNetworkDiag function via the NetDiagPingNum parameter. This critical flaw allows for arbitrary command execution.
No public exploit is known, and it is not in the KEV catalog. The vulnerability is remotely exploitable.
Update the TOTOLINK CA300-PoE firmware to the latest version. Limit access to the device management interface.
Technical Analysis
CVE-2023-24140 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
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-77)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-24140 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts