CVE-2026-2054
Published: 06 February 2026
Summary
CVE-2026-2054 is a medium-severity Exposure of Sensitive Information to an Unauthorized Actor (CWE-200) vulnerability in Dlink Dir-605L Firmware. Its CVSS base score is 5.5 (Medium).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 28.7th 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 AC-18 (Wireless Access) and AC-3 (Access Enforcement).
Deeper analysis
CVE-2026-2054 is an information disclosure vulnerability affecting D-Link DIR-605L and DIR-619L routers on firmware versions 2.06B01 and 2.13B01. The flaw impacts an unknown function within the Wifi Setting Handler component, where manipulation leads to the exposure of sensitive data. Published on 2026-02-06, it carries a CVSS v3.1 base score of 5.3 (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N) and is associated with CWE-200 (Exposure of Sensitive Information), CWE-284 (Improper Access Control), and NVD-CWE-Other.
The vulnerability enables remote exploitation by unauthenticated attackers with low attack complexity and no user interaction required. Attackers can initiate the exploit over the network to disclose information from the affected devices, with a public proof-of-concept available that demonstrates the issue.
Advisories referenced on VulDB and GitHub (including POC details) confirm the remote information disclosure without mentioning patches. The vulnerability exclusively impacts products no longer supported by the maintainer, leaving no official mitigations available.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-5663
Vulnerability details
A security flaw has been discovered in D-Link DIR-605L and DIR-619L 2.06B01/2.13B01. Impacted is an unknown function of the component Wifi Setting Handler. Performing a manipulation results in information disclosure. The attack may be initiated remotely. The exploit has been…
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released to the public and may be used for attacks. This vulnerability only affects products that are no longer supported by the maintainer.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Remote unauthenticated info disclosure in public-facing router web handler directly enables T1190 (Exploit Public-Facing Application) for initial access and data exposure.
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Directly enforces access control on the Wifi Setting Handler to block unauthenticated remote manipulation that causes information disclosure.
Requires authorization and encryption controls for all wireless management functions, directly closing the exposed WiFi settings interface.
Boundary protection at the network perimeter can deny the unauthenticated remote connections used to trigger the disclosure.