CVE-2026-71958: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') in D-Link Corporation DWR-M961
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.
CVE-2026-71958: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') in D-Link Corporation DWR-M961
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 v4.0
Score 9.3critical
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-08-08T16:43:04.177Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a7766d6bf8831d539e949a9
Added to database: 08/08/2026, 17:26:46 UTC
Last updated: 08/08/2026, 17:26:46 UTC
Views: 1
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