Is there a public exploit for CVE-2026-124563?

No public exploit for CVE-2026-124563 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-124563?

CVE-2026-124563 scores CVSS 8.7 (v4.0), rated high.

What does CVE-2026-124563 affect?

CVE-2026-124563 affects D-Link DIR-878.

8.7 High

A security flaw has been discovered in D-Link DIR-878 1.20B05.

CVE-2026-124563

A security flaw has been discovered in D-Link DIR-878 1.20B05. Affected by this vulnerability is the function SetWanSettings of the component HNAP Handler. The manipulation of the argument Primary/Secondary results in buffer overflow. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. This vulnerability only affects products that are no longer supported by the maintainer.

Assessment

CVSS: 8.7 (v4.0)
Severity: High
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 9 November 2026
Last updated: 9 November 2026
Affected: D-Link · DIR-878
Assigner: VulDB

CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P

At the source

EUVD (ENISA)

References

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