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Vulnerabilities

Vulnerability · 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.

Published Apr 15, 2025 · catalog updated Apr 16, 2025 · TOTOLINK N600R V4.3.0cu.7647_B20210106 was

Check this week

CVE-2025-22903 is not in CISA KEV. FIRST estimates a 22.00% chance of exploitation in the next 30 days. Check whether you run TOTOLINK N600R V4.3.0cu.7647_B20210106 was.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (TOTOLINK N600R V4.3.0cu.7647_B20210106 was).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium4.6
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
22.00%
Remediation
Vendor / distro source
Affected products
vendor n/a n/a n/a

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

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor n/a n/a n/an/a

How to fix CVE-2025-22903

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-22903 is not in CISA KEV. FIRST estimates a 22.00% chance of exploitation in the next 30 days. Check whether you run TOTOLINK N600R V4.3.0cu.7647_B20210106 was.

Which versions are affected?

Compare what you have installed with n/a n/a n/a n/a. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 22.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 15, 2025 · EUVD

    Detected

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

  2. Apr 16, 2025 · EUVD

    Updated

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

Sources

  • CVE.orgVulnerability recordCVE-2025-22903

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-11091

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

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.