CVE-2022-28493

Name: CVE-2022-28493
Creator: NVD / NIST
Published: 2023-03-23T15:15:11.557+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.67%

Last modified Jun 17, 2026

CVE-2022-28493 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A vulnerability in TOTOLINK CP900 V6.3c.566 allows attackers to start the Telnet service,. EPSS estimates a 0.67% chance of exploitation in the next 30 days.

Description

A vulnerability in TOTOLINK CP900 V6.3c.566 allows attackers to start the Telnet service,

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.67%

47.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Totolink	Cp900 Firmware	6.3c.566

References

https://github.com/B2eFly/Router/blob/main/totolink/CP900/7/7.mdBroken Link
https://github.com/B2eFly/Router/blob/main/totolink/CP900/7/7.mdBroken Link

Timeline

Published: Mar 23, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-28493?

A vulnerability in TOTOLINK CP900 V6.3c.566 allows attackers to start the Telnet service,

How severe is CVE-2022-28493?

CVE-2022-28493 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.67% probability of exploitation in the next 30 days.

How do I fix CVE-2022-28493?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-28493?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST