Is there a public exploit for CVE-2026-124561?

No public exploit for CVE-2026-124561 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-2026-124561?

CVE-2026-124561 scores CVSS 8.7 (v4.0), rated high.

What does CVE-2026-124561 affect?

CVE-2026-124561 affects D-Link DIR-878.

8.7 High

A vulnerability was determined in D-Link DIR-878 1.20B05.

CVE-2026-124561

A vulnerability was determined in D-Link DIR-878 1.20B05. This impacts the function SetVLANSettings of the file prog.cgi of the component HNAP Handler. Executing a manipulation of the argument VID can lead to stack-based buffer overflow. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. 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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