9.8

CVE-2022-28491: totolink cp900_firmware OS Command Injection

CVSS: 9.8v3.1CriticalModified
Published 23-03-2023Last modified 25-02-2025

Vulnerability summary

CVE-2022-28491 is a critical (CVSS 9.8) OS Command Injection vulnerability in totolink cp900_firmware. EPSS estimates a 4.66% chance of exploitation in the next 30 days, higher than 91.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
4.66%
0%100%
Low · -0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 23-03-2023
    PublishedVulnerability first disclosed.
  2. 25-02-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

4.66%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

-0.04 pp

From 4.70% on 20-09-2026

20-09-202620-10-2026
EPSS score
4.66%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Cve

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Totolink1 product

1 vendor · 1 product

References

2 links