CVE-2025-4345
Published: 06 May 2025
Summary
CVE-2025-4345 is a high-severity Improper Restriction of Operations within the Bounds of a Memory Buffer (CWE-119) vulnerability in Dlink Dir-600L Firmware. Its CVSS base score is 8.7 (High).
Operationally, ranked in the top 21.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
A vulnerability classified as critical exists in the D-Link DIR-600L router up to firmware version 2.07B01. It resides in the formSetLog function, where improper handling of the host argument triggers a buffer overflow. The flaw is tracked under CWE-119 and CWE-120 and carries a CVSS 4.0 score of 8.7, reflecting network-accessible attack vectors with low complexity and no required user interaction.
An authenticated remote attacker can supply a crafted host value to the affected function, resulting in memory corruption that may allow arbitrary code execution or a full device compromise. Because the device is no longer supported by D-Link, no official patches or firmware updates are available to address the issue.
Public references include a detailed disclosure on GitHub along with entries in the VulDB database that reproduce the buffer-overflow condition. The associated EPSS score remains flat at 0.0115 with no material increase since publication, indicating limited observed exploitation interest to date.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-13574
Vulnerability details
A vulnerability was found in D-Link DIR-600L up to 2.07B01 and classified as critical. This issue affects the function formSetLog. The manipulation of the argument host leads to buffer overflow. The attack may be initiated remotely. This vulnerability only affects…
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products that are no longer supported by the maintainer.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Managed runtimes used by platform-independent applications (e.g., JVM, CLR) enforce memory safety, preventing most buffer overflows that require direct memory manipulation.
Ongoing control assessments and code testing (static/dynamic analysis, fuzzing) surface memory buffer restriction failures, which are then remediated before release.
Memory protections (e.g., W^X, ASLR) make exploitation of buffer-boundary violations far harder to turn into code execution.
Detects exploitation attempts that produce memory corruption, crashes, or anomalous behavior.