CVE-2022-40112

Name: CVE-2022-40112
Creator: NVD / NIST
Published: 2022-09-06T17:15:08.667+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.70%

Last modified Jun 17, 2026

CVE-2022-40112 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. TOTOLINK A3002R TOTOLINK-A3002R-He-V1.1.1-B20200824.0128 is vulnerable Buffer Overflow via the hostname parameter in binary /bin/boa.. EPSS estimates a 0.70% chance of exploitation in the next 30 days.

Description

TOTOLINK A3002R TOTOLINK-A3002R-He-V1.1.1-B20200824.0128 is vulnerable Buffer Overflow via the hostname parameter in binary /bin/boa.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.70%

48.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Totolink	A3002r Firmware	1.1.1-b20200824.0128

References

https://github.com/1759134370/iot/blob/main/TOTOLINK/A3002R/3.mdBroken Link, Third Party Advisory
https://github.com/1759134370/iot/blob/main/TOTOLINK/A3002R/3.mdBroken Link, Third Party Advisory

Timeline

Published: Sep 6, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-40112?

TOTOLINK A3002R TOTOLINK-A3002R-He-V1.1.1-B20200824.0128 is vulnerable Buffer Overflow via the hostname parameter in binary /bin/boa.

How severe is CVE-2022-40112?

CVE-2022-40112 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.70% probability of exploitation in the next 30 days.

How do I fix CVE-2022-40112?

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-2022-40112?

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

Scan your code now

Source: NVD / NIST