Is CVE-2023-51034 actively exploited?

No active exploitation of CVE-2023-51034 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-51034 be exploited remotely?

Yes. CVE-2023-51034 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-51034?

CVE-2023-51034 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-51034

CWE-434Published: December 22, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

TOTOlink EX1200L V9.3.5u.6146_B20201023 is vulnerable to arbitrary command execution via the cstecgi.cgi UploadFirmwareFile interface.

NVD Source

Risk Analysis

The Totolink EX1200L firmware is vulnerable to arbitrary command execution through the UploadFirmwareFile interface. This critical flaw allows remote attackers to execute commands with high privileges. The 9.8 CVSS score indicates the extreme risk posed by this remotely exploitable vulnerability.

No public exploit is currently known, but the vulnerability is remotely exploitable with low complexity.

Recommended Action

Apply the latest firmware updates provided by Totolink for the EX1200L to remediate this command injection flaw.

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-2023-51034 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.