CVE-2025-4442 D-Link DIR-605L formSetWAN_Wizard55 buffer overflow

What is CVE-2025-4442?

CVE-2025-4442 is a high-severity memory corruption vulnerability in Dlink Dir-605l Firmware, published on 8 May 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was found in D-Link DIR-605L 2.13B01. It has been declared as critical. This vulnerability affects the function formSetWAN_Wizard55. The manipulation of the argument curTime leads to buffer overflow. The attack can be initiated remotely. The vendor was contacted early about this disclosure. This vulnerability only affects products that are no longer supported by the maintainer.

Weakness: CWE-120, CWE-119

Which versions are affected by CVE-2025-4442?

It affects 1 product.

Products include Dlink Dir-605l Firmware.

How do I fix CVE-2025-4442?

No fix has been published for CVE-2025-4442 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2025-4442 being exploited?

There is no known exploitation of CVE-2025-4442 in the wild and no public exploit code.

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-8c6j-hg38-f5mx.