CVE-2025-70238
Published: 09 March 2026
Summary
CVE-2025-70238 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 exploitation of web management interface (public-facing app) via crafted parameter causing stack overflow and device crash/DoS.
NVD Description
Stack buffer overflow vulnerability in D-Link DIR-513 v1.10 via the curTime parameter to goform/formSetWAN_Wizard52.
Deeper analysisAI
CVE-2025-70238 is a stack buffer overflow vulnerability (CWE-121) in D-Link DIR-513 router version 1.10. The flaw occurs via the curTime parameter sent to the goform/formSetWAN_Wizard52 endpoint. It carries 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) and was published on 2026-03-09T15:15:52.460.
Unauthenticated attackers can exploit this vulnerability remotely over the network with low attack complexity and no user interaction. Exploitation results in high availability impact, enabling denial-of-service conditions such as device crashes, while confidentiality and integrity remain unaffected.
Mitigation details are available in vendor advisories, including the D-Link 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-2025-70238.
Details
- CWE(s)