CVE-2025-45841

TOTOLINK Nr1800x Firmware vulnerability

9.8 CRITICALEPSS 0.53%

Published8 May 2025

Description

TOTOLINK NR1800X V9.1.0u.6681_B20230703 was discovered to contain an authenticated stack overflow via the text parameter in the setSmsCfg function.

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 Nr1800x Firmware9.1.0u.6681_b20230703

Remediation

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

Frequently asked

Is CVE-2025-45841 being actively exploited?

CVE-2025-45841 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.53%.

How severe is CVE-2025-45841?

CVE-2025-45841 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.53% probability of exploitation.

Which products are affected by CVE-2025-45841?

Affected products include TOTOLINK Nr1800x Firmware.

How do I fix CVE-2025-45841?

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-2025-45841 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.