# CVE-2025-57573: Tenda F3 buffer overflow in goform/setWifi

Source: https://junglewise.ai/threats/cve-2025-57573-tenda-f3-buffer-overflow-in-goform-setwifi  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-09-10. Updated: 2026-07-05  
License: CC BY 4.0 with a link back

CVE-2025-57573 · Severity: medium · CVSS 5.6 · Published 2025-09-10

The Tenda F3 wireless router is affected by a security vulnerability that could allow an attacker to disrupt the device's operations. By sending specially crafted data to the router's Wi-Fi configuration settings, an attacker could cause the system to crash or behave unpredictably. This could lead to a loss of internet connectivity for users and potentially allow for unauthorized access to limited device information.

Technologies: [Tenda F3](https://junglewise.ai/threats/technologies/f3), [Tenda F3 Firmware](https://junglewise.ai/threats/technologies/f3-firmware). Vendors: [Tenda](https://junglewise.ai/threats/vendors/tenda).

## Quick answers

**Is CVE-2025-57573 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-57573 being exploited in the wild.

**How severe is CVE-2025-57573?** Medium severity, with a CVSS score of 5.6, published 10 September 2025.

**Which products and versions are affected?** Tenda F3 V12.01.01.48_multi and later.

**Is there a fix for CVE-2025-57573?** 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.

**How is CVE-2025-57573 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2025-57573?** Check whether you run Tenda F3 or Tenda F3 Firmware at an affected version. 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.

## Technical details

A classic buffer overflow (CWE-120) exists in the Tenda F3 router firmware versions V12.01.01.48_multi and subsequent releases. The vulnerability is located in the 'goform/setWifi' endpoint and is triggered by providing an overly long string to the 'wifiTimeClose' parameter. An attacker can exploit this over a network, though the attack complexity is rated as high, likely due to specific configuration requirements or timing constraints. Successful exploitation can lead to a denial-of-service condition or potentially limited information disclosure. As of the advisory date, the referenced GitHub proof-of-concept link is reported as broken, and official patches should be sought from the vendor.

## Affected products

- Tenda F3 V12.01.01.48_multi and later

## Timeline

- 2025-09-10: advisory: Initial NVD publication date
- 2026-07-04: other: Last modified date in NVD record

## References

- [https://github.com/arashiclustar/PingX-md/blob/main/F3/2025-57573/C.V.E-2025-57573.md](https://github.com/arashiclustar/PingX-md/blob/main/F3/2025-57573/C.V.E-2025-57573.md)

## Related threats

- [Tenda N300 F3 unauthenticated UART console and cleartext credential storage](https://junglewise.ai/threats/cve-2026-38571-tenda-n300-f3-unauthenticated-uart-console-and-cleartext)
- [Tenda F3 buffer overflow in goform/setParentControl](https://junglewise.ai/threats/cve-2025-57572-tenda-f3-buffer-overflow-in-goform-setparentcontrol)
- [Tenda F3 buffer overflow in goform/setNAT](https://junglewise.ai/threats/cve-2025-57571-tenda-f3-buffer-overflow-in-goform-setnat)
- [Tenda F3 buffer overflow in goform/setQoS QosList parameter](https://junglewise.ai/threats/cve-2025-57570-tenda-f3-buffer-overflow-in-goform-setqos-qoslist-parameter)
- [Tenda F3 buffer overflow in /goform/setNAT](https://junglewise.ai/threats/cve-2025-57569-tenda-f3-buffer-overflow-in-goform-setnat)