CVE-2025-4451: D-Link DIR-619L formSetWAN_Wizard52 buffer overflow

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-05-09 · updated 2026-06-17
Weakness: CWE-119

Description

A vulnerability has been found in D-Link DIR-619L 2.04B04 and classified as critical. Affected by this vulnerability is the function formSetWAN_Wizard52. The manipulation of the argument curTime leads to buffer overflow. The attack can be launched remotely. The vendor was contacted early about this disclosure. This vulnerability only affects products that are no longer supported by the maintainer.

Affected products

D-Link DIR-619L: 2.04b04

References

https://github.com/jylsec/vuldb/blob/main/D-Link/dlink_dir619l/Buffer_overflow-formSetWAN_Wizard52-curTime/README.md
https://vuldb.com/?ctiid.308065
https://vuldb.com/?id.308065
https://vuldb.com/?submit.560793
https://www.dlink.com/

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