Quick answers
- Is CVE-2025-57570 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2025-57570 being exploited in the wild.
- How severe is CVE-2025-57570?
- Medium severity, with a CVSS score of 5.6, published 10 September 2025.
- Which products and versions are affected?
- Tenda F3 Firmware 12.01.01.48_multi and later.
- Is there a fix for CVE-2025-57570?
- 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-2025-57570 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2025-57570?
- 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 12.01.01.48_multi and subsequent releases. The vulnerability is located within the 'goform/setQoS' endpoint, specifically triggered by insufficient length validation of the 'QosList' parameter. An unauthenticated attacker can exploit this by sending a crafted HTTP request to the web management interface. While the CVSS assessment suggests high complexity (AC:H), successful exploitation could lead to memory corruption, resulting in a denial-of-service (DoS) condition or potential remote code execution. As of the advisory date, the status of a vendor-supplied patch is unclear, though the vulnerability has been publicly documented with proof-of-concept information.
Affected products
- Tenda F3 Firmware 12.01.01.48_multi and later
Timeline
- 2025-09-10: advisory: Initial NVD publication date
- 2025-09-10: disclosed: Vulnerability details and PoC shared publicly