CVE-2022-38308

Name: CVE-2022-38308
Creator: NVD / NIST
Published: 2022-09-14T21:15:10.527+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 20.35%

Last modified Jun 17, 2026

CVE-2022-38308 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. TOTOLink A700RU V7.4cu.2313_B20191024 was discovered to contain a command injection vulnerability via the lang parameter in the function cstesystem. This vulnerability allows attackers to execute arbitrary commands via a crafted payload.. EPSS estimates a 20.35% chance of exploitation in the next 30 days.

Description

TOTOLink A700RU V7.4cu.2313_B20191024 was discovered to contain a command injection vulnerability via the lang parameter in the function cstesystem. This vulnerability allows attackers to execute arbitrary commands via a crafted payload.

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

20.35%

97.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Totolink	A7000ru Firmware	7.4cu.2313_b20191024

References

https://github.com/WhoisZkuan/TOTOlink-A700RUExploit, Patch, Third Party Advisory
https://github.com/WhoisZkuan/TOTOlink-A700RUExploit, Patch, Third Party Advisory

Timeline

Published: Sep 14, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-38308?

How severe is CVE-2022-38308?

CVE-2022-38308 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 20.35% probability of exploitation in the next 30 days.

How do I fix CVE-2022-38308?

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-2022-38308?

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

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Source: NVD / NIST