Is CVE-2023-4412 actively exploited?

No active exploitation of CVE-2023-4412 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-4412 be exploited remotely?

Yes. CVE-2023-4412 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-4412?

CVE-2023-4412 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-4412

CWE-78Published: August 18, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A vulnerability was found in TOTOLINK EX1200L EN_V9.3.5u.6146_B20201023 and classified as critical. This issue affects the function setWanCfg. The manipulation leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-237515. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

NVD Source

Risk Analysis

The TOTOLINK EX1200L firmware version 9.3.5u.6146_B20201023 contains a critical OS command injection vulnerability in the setWanCfg function. Rated 9.8, this flaw allows remote attackers to execute arbitrary commands on the device. This poses a severe threat to the integrity and availability of the affected hardware.

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

Recommended Action

Update the device firmware to a version that addresses this vulnerability. If no update is available, restrict management access to trusted internal networks.

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-2023-4412 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.