CVE-2025-45800

Name: CVE-2025-45800
Creator: NVD / NIST
Published: 2025-05-02T17:15:52.423+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.73%

Last modified Jun 17, 2026

CVE-2025-45800 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. TOTOLINK A950RG V4.1.2cu.5204_B20210112 contains a command execution vulnerability in the setDeviceName interface of the /lib/cste_modules/global.so library, specifically in the processing of the deviceMac parameter.. EPSS estimates a 0.73% chance of exploitation in the next 30 days.

Description

TOTOLINK A950RG V4.1.2cu.5204_B20210112 contains a command execution vulnerability in the setDeviceName interface of the /lib/cste_modules/global.so library, specifically in the processing of the deviceMac parameter.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.73%

49.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-77

Affected Software

Vendor	Product	Versions
Totolink	A950rg Firmware	4.1.2cu.5204_b20210112

References

https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A950RG/5024-setDeviceName-deviceMac-command.mdExploit, Third Party Advisory

Timeline

Published: May 2, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-45800?

How severe is CVE-2025-45800?

CVE-2025-45800 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.73% probability of exploitation in the next 30 days.

How do I fix CVE-2025-45800?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-45800?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST