# CVE-2025-67074: A Buffer overflow vulnerability in function fromAdvSetMacMtuWan of bin httpd in Tenda AC10V4.0 V16.03.10.20 allows…

Source: https://junglewise.ai/threats/cve-2025-67074-a-buffer-overflow-vulnerability-in-function-fromadvsetmacmtuwan  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-12-17  
License: CC BY 4.0 with a link back

CVE-2025-67074 · Severity: medium · CVSS 6.5 · Published 2025-12-17

A Buffer overflow vulnerability in function fromAdvSetMacMtuWan of bin httpd in Tenda AC10V4.0 V16.03.10.20 allows remote attackers to cause denial of service and possibly code execution by sending a post request with a crafted payload (field `serverName`) to /goform/AdvSetMacMtuWan.

Technologies: [Tenda AC10](https://junglewise.ai/threats/technologies/ac10), [Tenda AC10 firmware](https://junglewise.ai/threats/technologies/ac10-firmware). Vendors: [Tenda](https://junglewise.ai/threats/vendors/tenda).

## Quick answers

**Is CVE-2025-67074 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-67074 being exploited in the wild.

**How severe is CVE-2025-67074?** Medium severity, with a CVSS score of 6.5, published 17 December 2025.

**Which products and versions are affected?** Tenda AC10, Tenda AC10 firmware. The advisory does not name versions.

**Is there a fix for CVE-2025-67074?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2025-67074?** Check whether you run Tenda AC10 or Tenda AC10 firmware. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Tenda AC10
- Tenda AC10 firmware

## Related threats

- [Tenda AC10 stack buffer overflow in fromAdvSetLanip](https://junglewise.ai/threats/cve-2026-16248-tenda-ac10-stack-buffer-overflow-in-fromadvsetlanip)
- [Tenda AC10 v3 buffer overflow in UploadCfg](https://junglewise.ai/threats/cve-2026-51380-tenda-ac10-v3-buffer-overflow-in-uploadcfg)
- [Tenda Firmware authentication backdoor in httpd login function](https://junglewise.ai/threats/cve-2026-11405-tenda-firmware-authentication-backdoor-in-httpd-login-function)
- [Tenda AC10 stack buffer overflow in fromSysToolChangePwd](https://junglewise.ai/threats/cve-2026-5550-tenda-ac10-stack-buffer-overflow-in-fromsystoolchangepwd)
- [Tenda AC10 hard-coded RSA private key in webroot](https://junglewise.ai/threats/cve-2026-5549-tenda-ac10-hard-coded-rsa-private-key-in-webroot)