How severe is CVE-2025-22903?

CVE-2025-22903 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-22903 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-22903?

CVE-2025-22903 affects Totolink N600r Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-22903?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-22903 have an EU (EUVD) identifier?

Yes. CVE-2025-22903 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-11091.

When was CVE-2025-22903 published?

CVE-2025-22903 was published on 2025-04-15 and last updated on 2026-06-17.

CVE-2025-22903

CVE-2025-22903 is a medium-severity vulnerability in Totolink N600r Firmware with a CVSS 3.x base score of 4.6. 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-121.

Key facts

Severity: Medium (CVSS 3.x base score 4.6)
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-11091
Weakness: CWE-121
Affected product: Totolink N600r Firmware
Published: 2025-04-15
Last modified: 2026-06-17

Description

TOTOLINK N600R V4.3.0cu.7647_B20210106 was discovered to contain a stack overflow via the pin parameter in the function setWiFiWpsConfig.

Frequently asked questions

What is CVE-2025-22903?: TOTOLINK N600R V4.3.0cu.7647_B20210106 was discovered to contain a stack overflow via the pin parameter in the function setWiFiWpsConfig.
How severe is CVE-2025-22903?: CVE-2025-22903 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-22903 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-22903?: CVE-2025-22903 affects Totolink N600r Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-22903?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-22903 have an EU (EUVD) identifier?: Yes. CVE-2025-22903 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-11091.
When was CVE-2025-22903 published?: CVE-2025-22903 was published on 2025-04-15 and last updated on 2026-06-17.

References

https://github.com/xyqer1/TOTLINK-N600R-setWiFiWpsConfig-StackOverflow

Affected products (1)

cpe:2.3:o:totolink:n600r_firmware:4.3.0cu.7647_b20210106:*:*:*:*:*:*:*

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