CVE-2026-71957

D-Link DWR-M961 Buffer Overflow via app.cgi

Published Aug 8, 2026 CVSS 4.0 · 9.3 Critical EPSS 1.1% KEV · Not listed
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 app.cgi interface. A remote attacker can write an overly long string to the netAcc.addlist[].name field and execute arbitrary commands by crafting a specific payload, or cause the device to crash.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Dlink
Dlink dwr-m961
CPEs cpe:2.3:h:dlink:dwr-m961:*:*:*:*:*:*:*:*
Vendors & Products Dlink
Dlink dwr-m961
Type Values Removed Values Added
First Time appeared D-link
D-link dwr-m961
Vendors & Products D-link
D-link dwr-m961
Type Values Removed Values Added
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 app.cgi interface. A remote attacker can write an overly long string to the netAcc.addlist[].name field and execute arbitrary commands by crafting a specific payload, or cause the device to crash.
Title D-Link DWR-M961 Buffer Overflow via app.cgi
Weaknesses CWE-120
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Aug 17, 2026, 6:18 PM
Reserved
Aug 8, 2026, 4:43 PM
Status
Deferred
Published
Aug 8, 2026, 6:16 PM
Modified
Oct 24, 2026, 3:10 PM