HOMEVULNERABILITIESCVE-2022-28491
CRITICAL

CVE-2022-28491

CWE-78Published: March 23, 2023· Updated: Jun 17, 2026

9.8
CVSS v3.1

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.

NVD Source

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.

Recommended Action

Apply the latest firmware updates provided by TOTOLINK for the CP900. Ensure the device is not exposed directly to the public internet.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

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

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

totolink2 product(s)
cp900 firmwarecp900
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (4)

Quick Facts

CVE IDCVE-2022-28491
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-78
CISA KEVNo
Affected1 vendor(s)
PublishedMar 23, 2023

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
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.