Is CVE-2023-51035 actively exploited?

No active exploitation of CVE-2023-51035 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-51035 be exploited remotely?

Yes. CVE-2023-51035 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-51035?

CVE-2023-51035 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-51035

CWE-78Published: 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 on the cstecgi.cgi NTPSyncWithHost interface.

NVD Source

Risk Analysis

The Totolink EX1200L firmware contains a vulnerability that allows arbitrary command execution via the NTPSyncWithHost interface. This critical flaw enables remote attackers to gain control over the device. The 9.8 CVSS score reflects the high risk of this remotely exploitable command injection.

There is no known public exploit for this vulnerability, but it is remotely exploitable with low complexity.

Recommended Action

Update the Totolink EX1200L firmware to a version that patches this command injection vulnerability.

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-2023-51035 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.