How severe is CVE-2025-45798?

CVE-2025-45798 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-45798 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-45798?

CVE-2025-45798 affects Totolink A950rg Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-45798?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-45798 have an EU (EUVD) identifier?

Yes. CVE-2025-45798 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14036.

When was CVE-2025-45798 published?

CVE-2025-45798 was published on 2025-05-08 and last updated on 2026-06-17.

CVE-2025-45798

CVE-2025-45798 is a critical-severity vulnerability in Totolink A950rg Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-77.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-14036
Weakness: CWE-77
Affected product: Totolink A950rg Firmware
Published: 2025-05-08
Last modified: 2026-06-17

Description

A command execution vulnerability exists in the TOTOLINK A950RG V4.1.2cu.5204_B20210112. The vulnerability is located in the setNoticeCfg interface within the /lib/cste_modules/system.so library, specifically in the processing of the IpTo parameter.

Frequently asked questions

What is CVE-2025-45798?: A command execution vulnerability exists in the TOTOLINK A950RG V4.1.2cu.5204_B20210112. The vulnerability is located in the setNoticeCfg interface within the /lib/cste_modules/system.so library, specifically in the processing of the IpTo parameter.
How severe is CVE-2025-45798?: CVE-2025-45798 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-45798 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-45798?: CVE-2025-45798 affects Totolink A950rg Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-45798?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-45798 have an EU (EUVD) identifier?: Yes. CVE-2025-45798 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14036.
When was CVE-2025-45798 published?: CVE-2025-45798 was published on 2025-05-08 and last updated on 2026-06-17.

References

https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A950RG/5024-setNoticeCFG-IpTo-command.md

Affected products (1)

cpe:2.3:o:totolink:a950rg_firmware:4.1.2cu.5204_b20210112:*:*:*:*:*:*:*

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