Buffer Overflow Vulnerability in Tenda AC21 Router
CVE-2025-65223

4.3MEDIUM

Key Information:

Vendor

Tenda
Status
Tenda AC21
Vendor
CVE Published:
20 November 2025

What is CVE-2025-65223?

The Tenda AC21 router V16.03.08.16 is susceptible to a buffer overflow vulnerability that can be exploited through the 'urls' parameter in the '/goform/saveParentControlInfo' endpoint. This flaw could allow attackers to execute arbitrary code, potentially compromising the router’s integrity and the security of the network it serves. Timely updates and mitigation strategies are essential to safeguard devices against such threats.

References

https://github.com/Madgeaaaaa/MY_VULN_2/blob/main/Tenda/V...

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2025-65223 : Buffer Overflow Vulnerability in Tenda AC21 Router