Is CVE-2023-33556 actively exploited?

No active exploitation of CVE-2023-33556 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-33556 be exploited remotely?

Yes. CVE-2023-33556 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-33556?

CVE-2023-33556 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-33556

CWE-77Published: June 7, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

TOTOLink A7100RU V7.4cu.2313_B20191024 was discovered to contain a command injection vulnerability via the staticGw parameter at /setting/setWanIeCfg.

NVD Source

Risk Analysis

The TOTOLink A7100RU firmware contains a command injection vulnerability in the staticGw parameter. This allows remote, unauthenticated attackers to execute arbitrary commands on the device. With a CVSS score of 9.8, this represents a critical risk to device security.

No public exploit is known, and it is not in the CISA KEV. The vulnerability is remotely exploitable with low attack complexity.

Recommended Action

Update the device firmware to a version that addresses the command injection vulnerability and restrict access to the 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-2023-33556 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.