CVE-2022-26189

Name: CVE-2022-26189
Creator: NVD / NIST
Published: 2022-03-22T21:15:07.917+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 3.46%

Last modified Jun 17, 2026

CVE-2022-26189 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. TOTOLINK N600R V4.3.0cu.7570_B20200620 was discovered to contain a command injection vulnerability via the langType parameter in the login interface.. EPSS estimates a 3.46% chance of exploitation in the next 30 days.

Description

TOTOLINK N600R V4.3.0cu.7570_B20200620 was discovered to contain a command injection vulnerability via the langType parameter in the login interface.

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

3.46%

87.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-77

Affected Software

Vendor	Product	Versions
Totolink	N600r Firmware	4.3.0cu.7570_b20200620

References

https://doudoudedi.github.io/2022/02/21/TOTOLINK-N600R-Command-Injection/Exploit, Third Party Advisory
https://doudoudedi.github.io/2022/02/21/TOTOLINK-N600R-Command-Injection/Exploit, Third Party Advisory

Timeline

Published: Mar 22, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-26189?

TOTOLINK N600R V4.3.0cu.7570_B20200620 was discovered to contain a command injection vulnerability via the langType parameter in the login interface.

How severe is CVE-2022-26189?

CVE-2022-26189 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.46% probability of exploitation in the next 30 days.

How do I fix CVE-2022-26189?

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-2022-26189?

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

Scan your code now

Source: NVD / NIST