by Kastro
Paper/Archive/CVE-2026-71958

CVE-2026-71958

D-Link Corporation DWR-M961 — D-Link DWR-M961 Buffer Overflow via quicksetup.cgi

EPSS 1%CVSS 9.8
critical.is priorityof 100
42
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 64.9.649 × 2013.0No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
DWR-M961< 1.1.5_C1_2026070711081.1.5_C1_202607071108CNA

Scores by source

VulnCheck (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
VulnCheck (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

patchsupportannouncement.us.dlink.com/security/publication.aspx?name=SAP10512refdlink.com/middle-east/en/products/dwr-m961-4g-ac1200-lte-routerwriteupvulncheck.com/advisories/d-link-dwr-m961-buffer-overflow-via-quicksetup-cgi