Buffer Overflow Vulnerability in Tenda AC21 Router
CVE-2025-65222

Currently unrated

Key Information:

Vendor

Tenda

Vendor
CVE Published:
20 November 2025

What is CVE-2025-65222?

The Tenda AC21 router, specifically version V16.03.08.16, is susceptible to a buffer overflow vulnerability through improper handling of the rebootTime parameter in the /goform/SetSysAutoRebbotCfg endpoint. Exploitation of this flaw can allow unauthorized users to execute arbitrary code, posing a significant risk to network integrity. Users of the Tenda AC21 are advised to apply necessary patches and updates to mitigate potential attacks.

References

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2025-65222 : Buffer Overflow Vulnerability in Tenda AC21 Router