CVE-2022-32449

Name: CVE-2022-32449
Creator: NVD / NIST
Published: 2022-07-07T19:15:08.35+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 18.43%

Last modified Jun 17, 2026

CVE-2022-32449 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. TOTOLINK EX300_V2 V4.0.3c.7484 was discovered to contain a command injection vulnerability via the langType parameter in the setLanguageCfg function. This vulnerability is exploitable via a crafted MQTT data packet.. EPSS estimates a 18.43% chance of exploitation in the next 30 days.

Description

TOTOLINK EX300_V2 V4.0.3c.7484 was discovered to contain a command injection vulnerability via the langType parameter in the setLanguageCfg function. This vulnerability is exploitable via a crafted MQTT data packet.

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

18.43%

96.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-77

Affected Software

Vendor	Product	Versions
Totolink	Ex300 V2 Firmware	4.0.3c.7484

References

https://github.com/winmt/CVE/blob/main/TOTOLINK%20EX300_V2/README.mdExploit, Third Party Advisory
https://github.com/winmt/my-vuls/tree/main/TOTOLINK%20EX300_V2
https://github.com/winmt/CVE/blob/main/TOTOLINK%20EX300_V2/README.mdExploit, Third Party Advisory
https://github.com/winmt/my-vuls/tree/main/TOTOLINK%20EX300_V2

Timeline

Published: Jul 7, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-32449?

How severe is CVE-2022-32449?

CVE-2022-32449 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 18.43% probability of exploitation in the next 30 days.

How do I fix CVE-2022-32449?

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-2022-32449?

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

Scan your code now

Source: NVD / NIST