CVE-2022-28577

Name: CVE-2022-28577
Creator: NVD / NIST
Published: 2022-05-05T18:15:09.657+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.91%

Last modified Jun 17, 2026

CVE-2022-28577 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. It is found that there is a command injection vulnerability in the delParentalRules interface in TOTOlink A7100RU (v7.4cu.2313_b20191024) router, which allows an attacker to execute arbitrary commands through a carefully constructed payload.. EPSS estimates a 2.91% chance of exploitation in the next 30 days.

Description

It is found that there is a command injection vulnerability in the delParentalRules interface in TOTOlink A7100RU (v7.4cu.2313_b20191024) router, which allows an attacker to execute arbitrary commands through a carefully constructed 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

2.91%

85.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Totolink	A7100ru Firmware	7.4cu.2313_b20191024

References

https://github.com/EPhaha/IOT_vuln/tree/main/TOTOLink/A7100RU/3Exploit, Third Party Advisory
https://github.com/EPhaha/IOT_vuln/tree/main/TOTOLink/A7100RU/3Exploit, Third Party Advisory

Timeline

Published: May 5, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-28577?

How severe is CVE-2022-28577?

CVE-2022-28577 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.91% probability of exploitation in the next 30 days.

How do I fix CVE-2022-28577?

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-2022-28577?

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

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Source: NVD / NIST