CVE-2021-44620

Name: CVE-2021-44620
Creator: NVD / NIST
Published: 2022-03-11T16:15:07.98+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.32%

Last modified Jun 17, 2026

CVE-2021-44620 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A Command Injection vulnerability exits in TOTOLINK A3100R <=V4.1.2cu.5050_B20200504 in adm/ntm.asp via the hosTime parameters.. EPSS estimates a 2.32% chance of exploitation in the next 30 days.

Description

A Command Injection vulnerability exits in TOTOLINK A3100R <=V4.1.2cu.5050_B20200504 in adm/ntm.asp via the hosTime parameters.

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

2.32%

81.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-77

Affected Software

Vendor	Product	Versions
Totolink	A3100r Firmware	<= 4.1.2cu.5050_b20200504

References

http://a3100r.comBroken Link
http://totolink.comVendor Advisory
https://drive.google.com/file/d/1_9ru2GRZ13T1KQKXPq2E14-opgf9ih45/view?usp=sharingBroken Link
https://www.totolink.net/home/menu/newstpl/menu_newstpl/products/id/170.htmlProduct, Vendor Advisory
http://a3100r.comBroken Link
http://totolink.comVendor Advisory
https://drive.google.com/file/d/1_9ru2GRZ13T1KQKXPq2E14-opgf9ih45/view?usp=sharingBroken Link

Timeline

Published: Mar 11, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-44620?

A Command Injection vulnerability exits in TOTOLINK A3100R <=V4.1.2cu.5050_B20200504 in adm/ntm.asp via the hosTime parameters.

How severe is CVE-2021-44620?

CVE-2021-44620 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.32% probability of exploitation in the next 30 days.

How do I fix CVE-2021-44620?

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-2021-44620?

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

Scan your code now

Source: NVD / NIST