CVE-2026-2055 D-Link DIR-605L/DIR-619L DHCP Client Information information disclosure

What is CVE-2026-2055?

CVE-2026-2055 is a medium-severity vulnerability in Dlink Dir-605l Firmware, published on 6 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A weakness has been identified in D-Link DIR-605L and DIR-619L 2.06B01/2.13B01. The affected element is an unknown function of the component DHCP Client Information Handler. Executing a manipulation can lead to information disclosure. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. This vulnerability only affects products that are no longer supported by the maintainer.

Weakness: CWE-284, CWE-200

Which versions are affected by CVE-2026-2055?

It affects 2 products.

Products include Dlink Dir-605l Firmware, Dlink Dir-619l Firmware.

How do I fix CVE-2026-2055?

No fix has been published for CVE-2026-2055 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-2055 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-2055 exists.

Other vulnerabilities in Dlink Dir-605l Firmware

• CVE-2021-40655 D-Link DIR-605 Router Information Disclosure Exploited High 7.5
• CVE-2026-42373 D-Link DIR-605L B2 Hardcoded Telnet Backdoor Credentials Critical 9.8
• CVE-2023-29961 Memory corruption in n/a Critical 9.8
• CVE-2023-24348 Memory corruption in n/a Critical 9.8
• CVE-2023-24349 Memory corruption in n/a Critical 9.8

All Dlink Dir-605l Firmware vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-3x27-4q29-j5f2.