CVE-2026-5815CWE-119CWE-121

D-Link DIR-645 hedwig.cgi hedwigcgi_main stack-based overflow

High · published April 8, 2026

CVSS v4.0
8.7
EPSS
1%
Percentile
59.6
In the wild
Unconfirmed
What it is

A vulnerability was detected in D-Link DIR-645 1.01/1.02/1.03. Impacted is the function hedwigcgi_main of the file /cgi-bin/hedwig.cgi. The manipulation results in stack-based buffer overflow. The attack can be launched remotely. The exploit is now public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

The record
Technical detail
CVSS v4.0
8.7 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
EPSS
0.00909 · 59.6th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-121 · Stack-based Buffer Overflow
Published
2026-04-08T23:15Z
EPSS history
Timeline
  • 08 APR 23:15Z
    D-Link DIR-645 hedwig.cgi hedwigcgi_main stack-based overflow
    cvelistv5