CVE-2023-51023

TOTOLINK Ex1800t Firmware vulnerability

9.8 CRITICALEPSS 0.97%

Published22 Dec 2023

Description

TOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to arbitrary command execution in the ‘host_time’ parameter of the NTPSyncWithHost interface of the cstecgi .cgi.

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

TOTOLINK Ex1800t Firmware9.1.0cu.2112_b20220316

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

Frequently asked

Is CVE-2023-51023 being actively exploited?

CVE-2023-51023 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.97%.

How severe is CVE-2023-51023?

CVE-2023-51023 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.97% probability of exploitation.

Which products are affected by CVE-2023-51023?

Affected products include TOTOLINK Ex1800t Firmware.

How do I fix CVE-2023-51023?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-51023 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

See how prioritisation works Book a demo

Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.