PT-2022-9216 · Unknown · Seaconnect 370W

Francesco Benvenuto + 1 · Published 2022-02-04 · Updated 2022-07-29 · CVE-2021-21962

Positive Technologies (AI Summary)

CVSS v3.1

9.0

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions SeaConnect 370W version 1.3.34

Description A heap-based buffer overflow issue exists in the OTA Update u-download functionality. This can be triggered by a series of specially-crafted MQTT payloads, potentially leading to remote code execution. An attacker would need to perform a man-in-the-middle attack to exploit this issue.

Recommendations For SeaConnect 370W version 1.3.34, consider restricting access to the OTA Update u-download functionality until a fix is available. As a temporary workaround, restrict the use of MQTT payloads to minimize the risk of exploitation.

Exploit

Fix

Memory Corruption

Heap Based Buffer Overflow

Weakness Enumeration

CWE-787

CWE-122

Related Identifiers

CVE-2021-21962

Affected Products

Seaconnect 370W

References · 3

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2021-1390 · Exploit
• https://osv.dev/vulnerability/CVE-2021-21962 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-21962 · Security Note