CVE-2025-70227
Published: 10 March 2026
Summary
CVE-2025-70227 is a high-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Dlink Dir-513 Firmware. Its CVSS base score is 7.5 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 25.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Threat & Defense at a Glance
Threat & Defense Details
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Remote unauthenticated stack buffer overflow in public web interface directly enables T1190 exploitation; resulting device crash maps to T1499.004 Application or System Exploitation for DoS impact.
NVD Description
Stack buffer overflow vulnerability in D-Link DIR-513 v1.10 via the nextPage parameter to goform/formLanguageChange.
Deeper analysisAI
CVE-2025-70227 is a stack buffer overflow vulnerability (CWE-121) in the D-Link DIR-513 router version 1.10. The flaw occurs via the nextPage parameter sent to the goform/formLanguageChange endpoint, potentially allowing memory corruption due to insufficient bounds checking on user-supplied input.
With a CVSS v3.1 base score of 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H), the vulnerability is exploitable remotely over the network by unauthenticated attackers with low complexity and no user interaction required. Exploitation can achieve high-impact denial of service, likely causing the device to crash or become unresponsive.
Mitigation details are referenced in D-Link's security bulletin at https://www.dlink.com/en/security-bulletin/, the DIR-513 product support page at https://www.dlink.com.cn/techsupport/ProductInfo.aspx?m=DIR-513, and a GitHub CVE report at https://github.com/akuma-QAQ/CVEreport/tree/main/D-link/CVE-2025-70227.
Details
- CWE(s)