CVE-2022-28491
CWE-78Published: March 23, 2023· Updated: Jun 17, 2026
Official Description
TOTOLink outdoor CPE CP900 V6.3c.566_B20171026 contains a command injection vulnerability in the NTPSyncWithHost function via the host_name parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request.
Risk Analysis
The TOTOLINK CP900 contains a command injection vulnerability in its NTPSyncWithHost function, allowing remote attackers to execute arbitrary commands via a crafted host_name parameter. With a CVSS score of 9.8, this represents a critical risk to device integrity and confidentiality.
No public exploit is currently known, and the vulnerability is not in the CISA KEV. It is remotely exploitable with low attack complexity.
Apply the latest firmware updates provided by TOTOLINK for the CP900. Ensure the device is not exposed directly to the public internet.
Technical Analysis
CVE-2022-28491 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 (4)
Quick Facts
Related CVEs (CWE-78)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-28491 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts