CVE-2026-2883
Published: 21 February 2026
Summary
CVE-2026-2883 is a high-severity Improper Restriction of Operations within the Bounds of a Memory Buffer (CWE-119) vulnerability in Dlink Dwr-M960 Firmware. Its CVSS base score is 7.4 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 49.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-16 (Memory Protection).
Deeper analysis
CVE-2026-2883 is a stack-based buffer overflow vulnerability in the D-Link DWR-M960 router running firmware version 1.01.07. The flaw affects the function sub_427D74 in the file /boafrm/formIpQoS, where manipulation of the submit-url argument triggers the overflow. Published on 2026-02-21T20:16:40.310, it carries a CVSS v3.1 base score of 8.8 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) and maps to CWEs 119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) and 121 (Stack-based Buffer Overflow).
The vulnerability enables remote exploitation by attackers possessing low privileges, such as authenticated users with minimal access. By sending a crafted submit-url argument, an attacker can overflow the stack buffer, potentially achieving arbitrary code execution and high-impact compromise of confidentiality, integrity, and availability on the affected device.
Advisories detail the issue across multiple sources, including VulDB entries (ctiid.347177, id.347177, submit.754490) and a GitHub issue at LX-66-LX/cve-new/issues/17. The D-Link website provides relevant vendor information. No specific patches are detailed in the available data.
The exploit has been publicly disclosed and may be utilized by attackers targeting unpatched D-Link DWR-M960 devices.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-7514
Vulnerability details
A vulnerability was determined in D-Link DWR-M960 1.01.07. Impacted is the function sub_427D74 of the file /boafrm/formIpQoS. Executing a manipulation of the argument submit-url can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been…
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publicly disclosed and may be utilized.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Stack-based buffer overflow in the router's public web management interface (/boafrm/formIpQoS) enables remote authenticated low-privilege attackers to trigger arbitrary code execution, directly facilitating T1190 (Exploit Public-Facing Application) for initial network access and T1068 (Exploitation for Privilege Escalation) to gain higher-privilege code execution on the device.
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Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
SI-10 requires validation of the submit-url argument to enforce bounds checking and prevent the stack-based buffer overflow.
SI-16 implements memory protections such as stack guards and DEP to directly block exploitation of the stack-based buffer overflow.
SI-2 mandates timely flaw remediation to patch the buffer overflow vulnerability in the formIpQoS function.