Vulnerability Description
D-Link DWR-M961 devices with hardware version C1 and software version 1.1.2_C1_202602110044 contain a buffer overflow vulnerability in the quicksetup.cgi interface. A remote attacker can write overly long strings to the test4, ssid2, and username fields and execute arbitrary commands by crafting a specific payload, or cause the device to crash.
CVSS Score
CRITICAL
Related Weaknesses (CWE)
References
- https://supportannouncement.us.dlink.com/security/publication.aspx?name=SAP10512
- https://www.dlink.com/middle-east/en/products/dwr-m961-4g-ac1200-lte-router
- https://www.vulncheck.com/advisories/d-link-dwr-m961-buffer-overflow-via-quickse
FAQ
What is CVE-2026-71958?
CVE-2026-71958 is a vulnerability with a CVSS score of 9.8 (CRITICAL). D-Link DWR-M961 devices with hardware version C1 and software version 1.1.2_C1_202602110044 contain a buffer overflow vulnerability in the quicksetup.cgi interface. A remote attacker can write overly ...
How severe is CVE-2026-71958?
CVE-2026-71958 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-71958?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.