PT-2022-24107 · Totolink · Totolink A860R

Published 2022-09-06 · Updated 2022-09-08 · CVE-2022-37839

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions TOTOLINK A860R version 4.1.2cu.5182 B20201027

Description The issue is related to a Buffer Overflow that can be triggered via the Cstecgi.cgi endpoint. This allows for potential exploitation. No information is provided about the estimated number of affected devices or real-world incidents.

Recommendations For TOTOLINK A860R version 4.1.2cu.5182 B20201027, as a temporary workaround, consider restricting access to the Cstecgi.cgi endpoint until a patch is available. At the moment, there is no information about a newer version that contains a fix for this issue.

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2022-37839

Affected Products

Totolink A860R

References · 4

• https://osv.dev/vulnerability/CVE-2022-37839 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-37839 · Security Note
• https://github.com/1759134370/iot/blob/main/TOTOLINK/A860R/5.md · Note
• https://t.me/cibsecurity/49313 · Telegram Post