CVE-2022-37839

Name: CVE-2022-37839
Creator: NVD / NIST
Published: 2022-09-06T17:15:08.343+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.78%

Last modified Jun 17, 2026

CVE-2022-37839 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. TOTOLINK A860R V4.1.2cu.5182_B20201027 is vulnerable to Buffer Overflow via Cstecgi.cgi.. EPSS estimates a 0.78% chance of exploitation in the next 30 days.

Description

TOTOLINK A860R V4.1.2cu.5182_B20201027 is vulnerable to Buffer Overflow via Cstecgi.cgi.

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

0.78%

51.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Totolink	A860r Firmware	4.1.2cu.5182_b20201027

References

https://github.com/1759134370/iot/blob/main/TOTOLINK/A860R/5.mdBroken Link, Third Party Advisory
https://github.com/1759134370/iot/blob/main/TOTOLINK/A860R/5.mdBroken Link, Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2022-37839?

TOTOLINK A860R V4.1.2cu.5182_B20201027 is vulnerable to Buffer Overflow via Cstecgi.cgi.

How severe is CVE-2022-37839?

CVE-2022-37839 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.78% probability of exploitation in the next 30 days.

How do I fix CVE-2022-37839?

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-2022-37839?

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

Scan your code now

Source: NVD / NIST