Is CVE-2022-40993 actively exploited?

No active exploitation of CVE-2022-40993 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-40993 be exploited remotely?

Yes. CVE-2022-40993 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-40993?

CVE-2022-40993 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2022-40993

CWE-120Published: January 26, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Several stack-based buffer overflow vulnerabilities exist in the DetranCLI command parsing functionality of Siretta QUARTZ-GOLD G5.0.1.5-210720-141020. A specially-crafted network packet can lead to arbitrary command execution. An attacker can send a sequence of requests to trigger these vulnerabilities.This buffer overflow is in the function that manages the 'firmwall keyword WORD description (WORD|null)' command template.

NVD Source

Risk Analysis

A stack-based buffer overflow exists in the DetranCLI command parsing functionality of Siretta QUARTZ-GOLD, specifically affecting the firmwall keyword command template. This flaw allows for arbitrary command execution via malicious network packets. The high CVSS score of 9.8 reflects the severity of this remote code execution risk.

No public exploit is known for this vulnerability, and it is not in the KEV database. It is remotely exploitable with low attack complexity.

Recommended Action

Apply the latest firmware updates provided by Siretta for the QUARTZ-GOLD device. Restrict network access to the device management interface.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2022-40993 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.